{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950674,-0.310193,0.000000,0.000000,0.173558,-0.531918,0.828819,0.000000,-0.256551,0.786273,0.562099,0.000000,-1638053.474505,5020271.119704,3564918.014371,1],    "boundingVolume": {    "region": [1.886110,0.596837,1.886275,0.597006,0.000000,8.758891]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/4_1396723.b3dm"}}}