{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.952576,-0.304299,0.000000,0.000000,0.112932,-0.353520,0.928585,0.000000,-0.282305,0.883725,0.373274,0.000000,-1801420.892596,5639151.962923,2365957.196646,1],    "boundingVolume": {    "region": [1.879949,0.382500,1.880049,0.382571,0.000000,12.360025]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/6/31/48_41831.b3dm"}}}