{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949432,-0.313972,0.000000,0.000000,0.175145,-0.529628,0.829951,0.000000,-0.260034,0.786329,0.560418,0.000000,-1660280.979615,5020595.066981,3554235.017125,1],    "boundingVolume": {    "region": [1.890089,0.594758,1.890251,0.595024,0.000000,8.819983]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/12_1457170.b3dm"}}}