{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950068,-0.312042,0.000000,0.000000,0.174604,-0.531613,0.828795,0.000000,-0.258073,0.785750,0.562135,0.000000,-1647768.477015,5016929.272136,3565143.843191,1],    "boundingVolume": {    "region": [1.888069,0.596860,1.888207,0.597069,0.000000,8.770919]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/6_1332127.b3dm"}}}