{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951886,-0.306452,0.000000,0.000000,0.112578,-0.349684,0.930079,0.000000,-0.284765,0.884523,0.369498,0.000000,-1817099.001792,5644186.166478,2342003.272049,1],    "boundingVolume": {    "region": [1.882178,0.378409,1.882342,0.378529,0.000000,31.872337]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/11_46055.b3dm"}}}