{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950324,-0.311262,0.000000,0.000000,0.173246,-0.528942,0.830786,0.000000,-0.258052,0.787868,0.559172,0.000000,-1647615.864222,5030395.807133,3546315.452171,1],    "boundingVolume": {    "region": [1.887263,0.593315,1.887370,0.593459,0.000000,8.390493]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/12.b3dm"}}}