{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943949,-0.330091,0.000000,0.000000,0.184426,-0.527397,0.829361,0.000000,-0.273189,0.781227,0.561295,0.000000,-1744275.281146,4988036.655341,3559806.352231,1],    "boundingVolume": {    "region": [1.907149,0.595892,1.907244,0.596007,0.000000,8.784257]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/9_1298219.b3dm"}}}