{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949727,-0.313079,0.000000,0.000000,0.174977,-0.530795,0.829240,0.000000,-0.259071,0.785894,0.561474,0.000000,-1654135.137859,5017836.023884,3560945.257033,1],    "boundingVolume": {    "region": [1.889153,0.596082,1.889306,0.596250,0.000000,19.004798]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/4_1435399.b3dm"}}}