{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949843,-0.312726,0.000000,0.000000,0.174527,-0.530092,0.829785,0.000000,-0.258950,0.786511,0.560666,0.000000,-1653360.822950,5021758.993303,3555805.626930,1],    "boundingVolume": {    "region": [1.888776,0.595124,1.888940,0.595255,0.000000,8.540030]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/12_1356857.b3dm"}}}