{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950285,-0.311380,0.000000,0.000000,0.173705,-0.530123,0.829937,0.000000,-0.257884,0.787023,0.560438,0.000000,-1646551.718020,5025026.120100,3554359.056776,1],    "boundingVolume": {    "region": [1.887392,0.594856,1.887491,0.594973,0.000000,8.725957]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/5_1346547.b3dm"}}}