{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896492,-0.443060,0.000000,0.000000,0.282935,-0.572493,0.769545,0.000000,-0.340019,0.687996,0.641130,0.000000,-2171676.298776,4394185.799781,4067442.192273,1],    "boundingVolume": {    "region": [2.029715,0.695914,2.029897,0.696026,0.000000,42.342939]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/7/4_510740.b3dm"}}}