{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858829,-0.512262,0.000000,0.000000,0.262077,-0.439384,0.859219,0.000000,-0.439368,0.736620,0.514146,0.000000,-2804834.359149,4702425.678353,3260229.103146,1],    "boundingVolume": {    "region": [2.108531,0.539950,2.108695,0.540075,0.000000,55.438833]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/4_220008.b3dm"}}}