{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949088,-0.315010,0.000000,0.000000,0.175846,-0.529804,0.829691,0.000000,-0.260812,0.785796,0.560805,0.000000,-1665245.412653,5017196.632326,3556693.990072,1],    "boundingVolume": {    "region": [1.891194,0.595305,1.891332,0.595411,0.000000,8.267882]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/3_1374711.b3dm"}}}