{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949430,-0.313980,0.000000,0.000000,0.175527,-0.530768,0.829142,0.000000,-0.259785,0.785553,0.561621,0.000000,-1658698.688842,5015664.392541,3561875.523482,1],    "boundingVolume": {    "region": [1.890129,0.596302,1.890228,0.596384,0.000000,10.221963]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_1408885.b3dm"}}}