collections.json

{
    "links": [
      {
        "rel": "self",
        "href": "host_url/collections",
        "type": "application/json",
        "title": "All geospatial data available from this API"
      }
    ],
    "collections": [
      {
        "id": "NewYork",
        "title": "NewYork Data Source",
        "description": "All Supported 3D Containers for the city of NewYork",
        "collectiontype": "3d-container",
        "extent": {
          "spatial": {
            "bbox": [
              [
                -74.01900887327089,
                40.700475291581974,
                -11.892070104139751,
                -73.9068954348699,
                40.880256294183646,
                547.7591871983744
              ]
            ],
            "crs": "http://www.opengis.net/def/crs/OGC/0/CRS84h"
          }
        },
        "links": [
          {
            "rel": "collections",
            "href": "host_url/collections/",
            "type": "application/json"
          },
          {
            "title": "NewYork - Collections",
            "rel": "self",
            "href": "host_url/collections/NewYork/",
            "type": "application/json"
          },
          {
            "title": "NewYork - 3D Buildings Manhattan: 3D Tiles",
            "rel": "items",
            "href": "host_url/collections/NewYork/3dtiles",
            "type": "application/json+3dtiles"
          },
          {
            "title": "NewYork - 3D Buildings Manhattan: i3s",
            "rel": "items",
            "href": "https://tiles.arcgis.com/tiles/P3ePLMYs2RVChkJx/arcgis/rest/services/Buildings_NewYork_17/SceneServer/layers/0/",
            "type": "application/json+i3s"
          }
        ],
        "children": [
          
        ],
        "content": [
          {
            "title": "NewYork - 3D Buildings Manhattan: 3D Tiles",
            "rel": "original",
            "href": "host_url/collections/NewYork/3dtiles/",
            "type": "application/json+3dtiles"
          },
          {
            "title": "NewYork - 3D Buildings Manhattan: i3s",
            "rel": "original",
            "href": "https://tiles.arcgis.com/tiles/P3ePLMYs2RVChkJx/arcgis/rest/services/Buildings_NewYork_17/SceneServer/layers/0/",
            "type": "application/json+i3s"
          }
        ]
      }
    ]
  }