{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950094,-0.311963,0.000000,0.000000,0.174330,-0.530928,0.829292,0.000000,-0.258163,0.786247,0.561398,0.000000,-1648340.589216,5020087.713741,3560461.822719,1],    "boundingVolume": {    "region": [1.887985,0.595970,1.888123,0.596179,0.000000,8.715717]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/1_1431134.b3dm"}}}