{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.871283,-0.490782,0.000000,0.000000,0.211971,-0.376311,0.901919,0.000000,-0.442088,0.784837,0.434268,0.000000,-2821480.674889,5008961.917839,2753016.451223,1],    "boundingVolume": {    "region": [2.083727,0.449185,2.083839,0.449266,0.000000,109.170094]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/4_227339.b3dm"}}}