{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.871245,-0.490848,0.000000,0.000000,0.212009,-0.376311,0.901910,0.000000,-0.442143,0.784796,0.434287,0.000000,-2821833.601754,5008697.319242,2753135.330962,1],    "boundingVolume": {    "region": [2.083803,0.449206,2.083915,0.449287,0.000000,109.170094]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/4_227461.b3dm"}}}