{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949473,-0.313848,0.000000,0.000000,0.114644,-0.346828,0.930896,0.000000,-0.291897,0.883064,0.367415,0.000000,-1862600.305464,5634850.444361,2328789.837073,1],    "boundingVolume": {    "region": [1.889956,0.376104,1.890124,0.376353,0.000000,26.403536]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/4_28924.b3dm"}}}