{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948423,-0.317008,0.000000,0.000000,0.116343,-0.348075,0.930219,0.000000,-0.294619,0.881439,0.369141,0.000000,-1879977.576385,5624503.119439,2339740.574542,1],    "boundingVolume": {    "region": [1.893347,0.378063,1.893392,0.378107,0.000000,7.712847]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/14/15.b3dm"}}}