{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949003,-0.315268,0.000000,0.000000,0.175941,-0.529607,0.829796,0.000000,-0.261059,0.785825,0.560649,0.000000,-1666825.923202,5017381.835666,3555698.950117,1],    "boundingVolume": {    "region": [1.891488,0.595074,1.891583,0.595264,0.000000,8.772595]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/19/29_1074117.b3dm"}}}