{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949431,-0.313976,0.000000,0.000000,0.175526,-0.530771,0.829140,0.000000,-0.259782,0.785553,0.561623,0.000000,-1658674.848786,5015660.504077,3561891.989805,1],    "boundingVolume": {    "region": [1.890125,0.596305,1.890224,0.596387,0.000000,10.221963]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_1408929.b3dm"}}}