{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948408,-0.317052,0.000000,0.000000,0.116796,-0.349377,0.929674,0.000000,-0.294485,0.880903,0.370526,0.000000,-1879127.212630,5621101.281945,2348523.106913,1],    "boundingVolume": {    "region": [1.893332,0.379470,1.893499,0.379681,0.000000,17.099293]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/1_8272.b3dm"}}}