{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948584,-0.316526,0.000000,0.000000,0.116263,-0.348425,0.930098,0.000000,-0.294132,0.881472,0.369449,0.000000,-1876869.479771,5624722.528960,2341694.422349,1],    "boundingVolume": {    "region": [1.892808,0.378381,1.892913,0.378451,0.000000,20.439296]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/21/13_13165.b3dm"}}}