{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897908,-0.440183,0.000000,0.000000,0.282577,-0.576415,0.766744,0.000000,-0.336571,0.686555,0.644486,0.000000,-2149686.490494,4385041.800017,4088791.463947,1],    "boundingVolume": {    "region": [2.026535,0.700317,2.026662,0.700386,0.000000,17.637285]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/3_852188.b3dm"}}}