{
  "catalog": [
    {
      "name": "glTF",
      "type": "group",
      "items": [
        {
          "name": "Cesium Air",
          "type": "gltf",
          "url": "https://cesiumjs.org/Cesium/Apps/SampleData/models/CesiumAir/Cesium_Air.glb",
          "origin": {
            "longitude": 151.197,
            "latitude": -33.895,
            "height": 180.0
          },
          "upAxis": "Y",
          "forwardAxis": "X"
        }
      ]
    }
  ]
}