{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948579,-0.316539,0.000000,0.000000,0.116271,-0.348432,0.930095,0.000000,-0.294143,0.881465,0.369458,0.000000,-1876944.743405,5624673.784769,2341750.799124,1],    "boundingVolume": {    "region": [1.892823,0.378391,1.892928,0.378461,0.000000,56.217170]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/21/14_13167.b3dm"}}}