{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896620,-0.442800,0.000000,0.000000,0.282872,-0.572784,0.769352,0.000000,-0.339733,0.687920,0.641363,0.000000,-2169852.951412,4393703.906769,4068925.605494,1],    "boundingVolume": {    "region": [2.029425,0.696218,2.029607,0.696330,0.000000,39.799105]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/7_491646.b3dm"}}}