{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.952020,-0.306035,0.000000,0.000000,0.112476,-0.349892,0.930013,0.000000,-0.284357,0.884584,0.369665,0.000000,-1814499.463143,5644579.755436,2343062.785992,1],    "boundingVolume": {    "region": [1.881740,0.378588,1.881904,0.378709,0.000000,4.323548]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/17/13_46521.b3dm"}}}