{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948843,-0.315747,0.000000,0.000000,0.176212,-0.529531,0.829786,0.000000,-0.261453,0.785684,0.560663,0.000000,-1669337.504319,5016483.928807,3555787.006464,1],    "boundingVolume": {    "region": [1.891992,0.595074,1.892088,0.595297,0.000000,8.724991]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/13_1073857.b3dm"}}}