{
    "links": [
        {
            "title": "Collections Document",
            "rel": "self",
            "href": "http://localhost:3001/collections",
            "type": "application/json"
        }
    ],
    "collections": [
        {
            "id": "stuttgart",
            "title": "Stuttgart 3D City Modle",
            "description": "3D containers for buildings and bridges in Stuttgart area",
            "collectionType": "3d-container",
            "extent": {
                "spatial": {
                    "bbox": [
                        48.7850854,
                        9.1775762,
                        14,
                        48.7987271,
                        9.2159381,
                        15
                    ],
                    "crs": "http://www.opengis.net/def/crs/OGC/0/CRS84h"
                }
            },
            "links": [
                {
                    "title": "Stuttgart 3D Models",
                    "rel": "self",
                    "href": "http://localhost:3001/collections/stuttgart",
                    "type": "application/json"
                }
            ],
            "content": [],
            "children": [
                {
                    "id": "buildings",
                    "title": "Stuttgart 3D Buildings",
                    "description": "3D containers for buildings in Stuttgart area",
                    "collectionType": "3d-container",
                    "extent": {
                        "spatial": {
                            "bbox": [
                                48.7850854,
                                9.1775762,
                                14,
                                48.7987271,
                                9.2159381,
                                15
                            ],
                            "crs": "http://www.opengis.net/def/crs/OGC/0/CRS84h"
                        }
                    },
                    "links": [
                        {
                            "title": "Stuttgart Buildings",
                            "rel": "self",
                            "href": "http://localhost:3001/collections/stuttgart/buildings",
                            "type": "application/json"
                        }
                    ],
                    "content": [],
                    "children": [
                        {
                            "id": "nordbahnhof",
                            "title": "Stuttgart buildings in nordbahnhof area",
                            "description": "3D container for nordbahnhof buildings",
                            "collectionType": "3d-container",
                            "extent": {
                                "spatial": {
                                    "bbox": [
                                        48.7850854,
                                        9.1775762,
                                        14,
                                        48.7824145,
                                        9.1897675,
                                        14
                                    ],
                                    "crs": "http://www.opengis.net/def/crs/OGC/0/CRS84h"
                                }
                            },
                            "links": [
                                {
                                    "title": "Nordbahnhof-3D Buildings",
                                    "rel": "self",
                                    "href": "http://localhost:3001/collections/stuttgart/buildings/nordbahnhof",
                                    "type": "application/json"
                                },
                                {
                                    "title": "Nordbahnhof-I3S Buildings",
                                    "rel": "item",
                                    "href": "https://tiles.arcgis.com/tiles/oV3ptJTOJUUkJxUq/arcgis/rest/services/Stuttgart_Building_i3s/SceneServer/layers/0",
                                    "type": "application/json-i3s"
                                },
                                {
                                    "title": "Nordbahnhof-3D Tiles Buildings",
                                    "rel": "item",
                                    "href": "http://localhost:3001/public/3d-tiles/Nordbahnhof/Building/resources/tileset.json",
                                    "type": "application/json-3dtiles"
                                }
                            ],
                            "content": [
                                {
                                    "title": "Nordbahnhof Buildings-i3s",
                                    "rel": "alternate",
                                    "href": "https://tiles.arcgis.com/tiles/oV3ptJTOJUUkJxUq/arcgis/rest/services/Stuttgart_Building_i3s/SceneServer/layers/0",
                                    "type": "application/json-i3s"
                                },
                                {
                                    "title": "Nordbahnhof Buildings-3D Tiles",
                                    "rel": "original",
                                    "href": "http://localhost:3001/public/3d-tiles/Nordbahnhof/Building/tileset.json",
                                    "type": "application/json-3dtiles"
                                }
                            ],
                            "children": []
                        },
                        {
                            "id": "steockach",
                            "title": "Stuttgart buildings in Steockach area",
                            "description": "3D container for Steockach buildings",
                            "collectionType": "3d-container",
                            "extent": {
                                "spatial": {
                                    "bbox": [
                                        48.7852104,
                                        9.1883564,
                                        13.25,
                                        48.7805316,
                                        9.1797021,
                                        12.75
                                    ],
                                    "crs": "http://www.opengis.net/def/crs/OGC/0/CRS84h"
                                }
                            },
                            "links": [
                                {
                                    "title": "Steockach Buildings",
                                    "rel": "self",
                                    "href": "http://localhost:3001/collections/stuttgart/buildings/steockach",
                                    "type": "application/json"
                                },
                                {
                                    "title": "Steockach Buildings-I3S",
                                    "rel": "item",
                                    "href": "https://tiles.arcgis.com/tiles/oV3ptJTOJUUkJxUq/arcgis/rest/services/Steockach_Buildings_i3s/SceneServer/layers/0",
                                    "type": "application/json-i3s"
                                },
                                {
                                    "title": "Steockach Buildings-3D Tiles",
                                    "rel": "item",
                                    "href": "http://localhost:3001/public/3d-tiles/Steockach/Building/tileset.json",
                                    "type": "application/json-3dtiles"
                                }
                            ],
                            "content": [
                                {
                                    "title": "Steockach Buildings-I3S",
                                    "rel": "alternate",
                                    "href": "https://tiles.arcgis.com/tiles/oV3ptJTOJUUkJxUq/arcgis/rest/services/Steockach_Buildings_i3s/SceneServer/layers/0",
                                    "type": "application/json-i3s"
                                },
                                {
                                    "title": "Steockach Buildings-3D Tiles",
                                    "rel": "original",
                                    "href": "http://localhost:3001/public/3d-tiles/Steockach/Building/tileset.json",
                                    "type": "application/json-3dtiles"
                                }
                            ],
                            "children": []
                        }
                    ]
                },
                {
                    "id": "bridges",
                    "title": "Stuttgart 3D bridges",
                    "description": "Stuttgart 3D containers for bridges",
                    "collectionType": "3d-container",
                    "extent": {
                        "spatial": {
                            "bbox": [
                                48.7850854,
                                9.1775762,
                                14,
                                48.7987271,
                                9.2159381,
                                15
                            ],
                            "crs": "http://www.opengis.net/def/crs/OGC/0/CRS84h"
                        }
                    },
                    "links": [
                        {
                            "title": "Stuttgart Bridges",
                            "rel": "self",
                            "href": "http://localhost:3001/collections/stuttgart/bridges",
                            "type": "application/json"
                        }
                    ],
                    "content": [],
                    "children": [
                        {
                            "id": "nordbahnhof",
                            "title": "Stuttgart bridges in nordbahnhof area",
                            "description": "3D container for nordbahnhof bridges",
                            "collectionType": "3d-container",
                            "extent": {
                                "spatial": {
                                    "bbox": [
                                        48.7850854,
                                        9.1775762,
                                        14,
                                        48.7987271,
                                        9.2159381,
                                        15
                                    ],
                                    "crs": "http://www.opengis.net/def/crs/OGC/0/CRS84h"
                                }
                            },
                            "links": [
                                {
                                    "title": "Nordbahnhof bridges",
                                    "rel": "self",
                                    "href": "http://localhost:3001/collections/stuttgart/bridges/nordbahnhof",
                                    "type": "application/json"
                                },
                                {
                                    "title": "Nordbahnhof bridges-i3s",
                                    "rel": "item",
                                    "href": "https://tiles.arcgis.com/tiles/oV3ptJTOJUUkJxUq/arcgis/rest/services/Stuttgart_Bridge_i3s/SceneServer/layers/0",
                                    "type": "application/json-i3s"
                                },
                                {
                                    "title": "Nordbahnhof bridges-3D Tiles",
                                    "rel": "item",
                                    "href": "http://localhost:3001/public/3d-tiles/Nordbahnhof/Bridge/tileset.json",
                                    "type": "application/json-i3s"
                                }
                            ],
                            "content": [
                                {
                                    "title": "Nordbahnhof bridges-i3s",
                                    "rel": "alternate",
                                    "href": "https://tiles.arcgis.com/tiles/oV3ptJTOJUUkJxUq/arcgis/rest/services/Stuttgart_Bridge_i3s/SceneServer/layers/0",
                                    "type": "application/json-i3s"
                                },
                                {
                                    "title": "Nordbahnhof bridges-3D Tiles",
                                    "rel": "original",
                                    "href": "http://localhost:3001/public/3d-tiles/Nordbahnhof/Bridge/tileset.json",
                                    "type": "application/json-i3s"
                                }
                            ],
                            "children": []
                        },
                        {
                            "id": "steockach",
                            "title": "Stuttgart bridges in Steockach area",
                            "description": "3D container for Steockach bridges",
                            "collectionType": "3d-container",
                            "extent": {
                                "spatial": {
                                    "bbox": [
                                        48.7850854,
                                        9.1775762,
                                        14,
                                        48.7987271,
                                        9.2159381,
                                        15
                                    ],
                                    "crs": "http://www.opengis.net/def/crs/OGC/0/CRS84h"
                                }
                            },
                            "links": [
                                {
                                    "title": "Steockach bridges",
                                    "rel": "self",
                                    "href": "http://localhost:3001/collections/stuttgart/bridges/steockach",
                                    "type": "application/json"
                                },
                                {
                                    "title": "Steockach bridges-i3s",
                                    "rel": "item",
                                    "href": "https://tiles.arcgis.com/tiles/oV3ptJTOJUUkJxUq/arcgis/rest/services/Stuttgart_Bridge_i3s/SceneServer/layers/0",
                                    "type": "application/json-i3s"
                                },
                                {
                                    "title": "Steockach bridges-3D Tiles",
                                    "rel": "item",
                                    "href": "http://localhost:3001/public/3d-tiles/Steockach/Bridge/tileset.json",
                                    "type": "application/json-i3s"
                                }
                            ],
                            "content": [
                                {
                                    "title": "Steockach bridges-i3s",
                                    "rel": "alternate",
                                    "href": "https://tiles.arcgis.com/tiles/oV3ptJTOJUUkJxUq/arcgis/rest/services/Stuttgart_Bridge_i3s/SceneServer/layers/0",
                                    "type": "application/json-i3s"
                                },
                                {
                                    "title": "Steockach bridges-3D Tiles",
                                    "rel": "original",
                                    "href": "http://localhost:3001/public/3d-tiles/Steockach/Bridge/tileset.json",
                                    "type": "application/json-3dtiles"
                                }
                            ],
                            "children": []
                        }
                    ]
                }
            ]
        }
    ]
}