{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948602,-0.316472,0.000000,0.000000,0.176604,-0.529357,0.829814,0.000000,-0.262062,0.785511,0.560621,0.000000,-1673226.293863,5015377.131326,3555522.273102,1],    "boundingVolume": {    "region": [1.892756,0.595024,1.892852,0.595247,0.000000,8.766100]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/13_1183823.b3dm"}}}