{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949215,-0.314630,0.000000,0.000000,0.175529,-0.529557,0.829915,0.000000,-0.260568,0.786115,0.560471,0.000000,-1663688.687933,5019226.975786,3554571.522436,1],    "boundingVolume": {    "region": [1.890815,0.594860,1.890910,0.595050,0.000000,8.776129]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/12/28_1372091.b3dm"}}}