{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858278,-0.513185,0.000000,0.000000,0.262612,-0.439206,0.859147,0.000000,-0.440123,0.736084,0.514268,0.000000,-2809651.173994,4699008.275528,3261003.575095,1],    "boundingVolume": {    "region": [2.109606,0.540092,2.109770,0.540217,0.000000,111.920900]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/5_366945.b3dm"}}}