{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896623,-0.442794,0.000000,0.000000,0.282848,-0.572744,0.769390,0.000000,-0.339745,0.687957,0.641317,0.000000,-2169932.323373,4393938.063571,4068632.389452,1],    "boundingVolume": {    "region": [2.029418,0.696158,2.029601,0.696270,0.000000,61.717722]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/7_491753.b3dm"}}}