{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950279,-0.311400,0.000000,0.000000,0.173712,-0.530104,0.829948,0.000000,-0.257904,0.787028,0.560422,0.000000,-1646678.556865,5025057.846589,3554256.134822,1],    "boundingVolume": {    "region": [1.887413,0.594836,1.887512,0.594953,0.000000,8.725957]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/5_1346624.b3dm"}}}