{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949434,-0.313967,0.000000,0.000000,0.175522,-0.530778,0.829136,0.000000,-0.259773,0.785552,0.561629,0.000000,-1658618.091515,5015653.438067,3561928.125884,1],    "boundingVolume": {    "region": [1.890115,0.596312,1.890214,0.596394,0.000000,13.684404]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/13_1409022.b3dm"}}}