{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948593,-0.316498,0.000000,0.000000,0.116434,-0.348972,0.929872,0.000000,-0.294033,0.881264,0.370025,0.000000,-1876244.322005,5623400.329844,2345343.481562,1],    "boundingVolume": {    "region": [1.892779,0.379001,1.892884,0.379070,0.000000,11.166549]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/21/23_8101.b3dm"}}}