{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.952131,-0.305692,0.000000,0.000000,0.112218,-0.349522,0.930183,0.000000,-0.284091,0.884850,0.369233,0.000000,-1812796.275179,5646272.177916,2340320.246985,1],    "boundingVolume": {    "region": [1.881379,0.378123,1.881543,0.378244,0.000000,7.565671]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/8_45102.b3dm"}}}