{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949093,-0.314995,0.000000,0.000000,0.175845,-0.529827,0.829676,0.000000,-0.260795,0.785785,0.560827,0.000000,-1665137.265712,5017131.788431,3556835.139240,1],    "boundingVolume": {    "region": [1.891179,0.595332,1.891316,0.595438,0.000000,7.173493]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/3_1374702.b3dm"}}}