{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.871252,-0.490836,0.000000,0.000000,0.211997,-0.376302,0.901917,0.000000,-0.442136,0.784808,0.434272,0.000000,-2821786.744712,5008773.943360,2753044.565973,1],    "boundingVolume": {    "region": [2.083789,0.449190,2.083902,0.449271,0.000000,109.170094]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/4_227378.b3dm"}}}