{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950530,-0.310634,0.000000,0.000000,0.173769,-0.531726,0.828898,0.000000,-0.256941,0.786230,0.561981,0.000000,-1640540.355929,5019994.190511,3564169.382448,1],    "boundingVolume": {    "region": [1.886608,0.596730,1.886705,0.596829,0.000000,8.804403]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/8_1395384.b3dm"}}}