{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948831,-0.315785,0.000000,0.000000,0.115393,-0.346719,0.930844,0.000000,-0.293682,0.882417,0.367548,0.000000,-1873989.585465,5630722.273445,2329631.904255,1],    "boundingVolume": {    "region": [1.892072,0.376346,1.892089,0.376396,0.000000,18.164930]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/6/6.b3dm"}}}