{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951889,-0.306444,0.000000,0.000000,0.112578,-0.349693,0.930076,0.000000,-0.284757,0.884522,0.369506,0.000000,-1817047.822864,5644181.240962,2342054.504437,1],    "boundingVolume": {    "region": [1.882170,0.378417,1.882334,0.378538,0.000000,31.872337]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/11_46109.b3dm"}}}