Two 3dtiles datasets

simple.json

{
  "homeCamera": {
    "north": -8,
    "east": 158,
    "south": -45,
    "west": 109
  },
  "catalog": [
    {
      "type": "3d-tiles",
      "name": "Fort Denison",
      "url": "https://nsw.digitaltwin.terria.io/api/v0/data/a99c8280-dbfe-475a-8a4e-3c2d2ca87513/3dtiles/tileset.json",
      "id": "adsfsadfds",
      "allowFeaturePicking": false
    },
    {
      "type": "3d-tiles",
      "name": "Young 3D",
      "url": "https://nsw.digitaltwin.terria.io/api/v0/data/Hilltops/Young_CarringtonPark_3D/tileset.json",
      "id": "sdgsdfgsdfgsdfg"
    }
  ],
  "viewerMode": "3dSmooth",
  "baseMaps": {
    "defaultBaseMapId": "basemap-positron",
    "previewBaseMapId": "basemap-positron"
  }
}