{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898704,-0.438557,0.000000,0.000000,0.283234,-0.580412,0.763479,0.000000,-0.333888,0.684214,0.648359,0.000000,-2132588.630414,4370165.343691,4113431.385904,1],    "boundingVolume": {    "region": [2.024706,0.705368,2.024871,0.705487,0.000000,19.234022]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/7_1831770.b3dm"}}}