{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949404,-0.314057,0.000000,0.000000,0.175479,-0.530477,0.829338,0.000000,-0.259912,0.785720,0.561329,0.000000,-1659503.421784,5016723.377897,3560021.323585,1],    "boundingVolume": {    "region": [1.890211,0.595950,1.890309,0.596031,0.000000,13.484208]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/9_1360917.b3dm"}}}