{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950074,-0.312024,0.000000,0.000000,0.115728,-0.352378,0.928675,0.000000,-0.289500,0.881490,0.373048,0.000000,-1847329.160758,5624887.400222,2364522.782058,1],    "boundingVolume": {    "region": [1.888041,0.382227,1.888197,0.382356,0.000000,5.409590]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/1_63434.b3dm"}}}