{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951880,-0.306471,0.000000,0.000000,0.112585,-0.349682,0.930079,0.000000,-0.284782,0.884517,0.369498,0.000000,-1817209.272641,5644149.885041,2342005.137951,1],    "boundingVolume": {    "region": [1.882197,0.378409,1.882361,0.378529,0.000000,31.872337]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/11_46059.b3dm"}}}