{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949792,-0.312881,0.000000,0.000000,0.174512,-0.529755,0.830003,0.000000,-0.259147,0.786677,0.560340,0.000000,-1654616.945527,5022818.197173,3553738.625136,1],    "boundingVolume": {    "region": [1.888940,0.594664,1.889102,0.594929,0.000000,8.816721]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/4/12_1376647.b3dm"}}}