{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950092,-0.311970,0.000000,0.000000,0.174451,-0.531284,0.829038,0.000000,-0.258090,0.786002,0.561775,0.000000,-1647871.887221,5018532.141592,3562854.789261,1],    "boundingVolume": {    "region": [1.887993,0.596425,1.888131,0.596634,0.000000,8.821155]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1398463.b3dm"}}}