{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950278,-0.311404,0.000000,0.000000,0.173720,-0.530122,0.829935,0.000000,-0.257903,0.787014,0.560441,0.000000,-1646669.815124,5024971.508529,3554381.403299,1],    "boundingVolume": {    "region": [1.887416,0.594860,1.887516,0.594977,0.000000,8.821118]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/5_1452418.b3dm"}}}