{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949226,-0.314595,0.000000,0.000000,0.175937,-0.530852,0.829001,0.000000,-0.260250,0.785250,0.561829,0.000000,-1661665.405865,5013732.552426,3563203.347282,1],    "boundingVolume": {    "region": [1.890776,0.596585,1.890877,0.596606,0.000000,8.911051]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/9_1337494.b3dm"}}}