{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950798,-0.309811,0.000000,0.000000,0.116298,-0.356912,0.926870,0.000000,-0.286882,0.880428,0.377552,0.000000,-1830644.301817,5618171.283950,2393100.048816,1],    "boundingVolume": {    "region": [1.885731,0.387087,1.885850,0.387216,0.000000,16.609830]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/4_59774.b3dm"}}}