{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896572,-0.442898,0.000000,0.000000,0.283387,-0.573669,0.768503,0.000000,-0.339430,0.687118,0.642383,0.000000,-2167926.777684,4388599.783683,4075411.739167,1],    "boundingVolume": {    "region": [2.029541,0.697529,2.029709,0.697678,0.000000,41.453966]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/1_500399.b3dm"}}}