{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950504,-0.310713,0.000000,0.000000,0.173729,-0.531454,0.829081,0.000000,-0.257063,0.786384,0.561711,0.000000,-1641318.930862,5020967.648509,3562450.883592,1],    "boundingVolume": {    "region": [1.886691,0.596403,1.886788,0.596502,0.000000,8.190489]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/4_1330944.b3dm"}}}