{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949437,-0.313959,0.000000,0.000000,0.175518,-0.530781,0.829135,0.000000,-0.259766,0.785553,0.561631,0.000000,-1658572.383621,5015660.364792,3561939.578621,1],    "boundingVolume": {    "region": [1.890106,0.596314,1.890205,0.596396,0.000000,13.684404]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/13_1409053.b3dm"}}}