{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949433,-0.313971,0.000000,0.000000,0.175524,-0.530776,0.829137,0.000000,-0.259777,0.785551,0.561627,0.000000,-1658642.992586,5015651.812812,3561918.881429,1],    "boundingVolume": {    "region": [1.890120,0.596311,1.890218,0.596392,0.000000,13.684404]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/13_1409005.b3dm"}}}