{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948710,-0.316148,0.000000,0.000000,0.176438,-0.529462,0.829783,0.000000,-0.261784,0.785571,0.560668,0.000000,-1671451.047449,5015757.603730,3555818.540347,1],    "boundingVolume": {    "region": [1.892415,0.595080,1.892511,0.595303,0.000000,8.816292]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_1179464.b3dm"}}}