{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951888,-0.306445,0.000000,0.000000,0.112579,-0.349696,0.930074,0.000000,-0.284757,0.884520,0.369510,0.000000,-1817050.721923,5644170.340814,2342078.362867,1],    "boundingVolume": {    "region": [1.882171,0.378421,1.882335,0.378542,0.000000,31.872337]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/11_46145.b3dm"}}}