{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943984,-0.329990,0.000000,0.000000,0.184251,-0.527076,0.829604,0.000000,-0.273186,0.781487,0.560935,0.000000,-1744254.968229,4989688.404372,3557516.167720,1],    "boundingVolume": {    "region": [1.907042,0.595457,1.907138,0.595572,0.000000,8.779496]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/5_1274807.b3dm"}}}