{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950117,-0.311893,0.000000,0.000000,0.115787,-0.352722,0.928537,0.000000,-0.289335,0.881398,0.373394,0.000000,-1846277.511222,5624301.322833,2366722.443151,1],    "boundingVolume": {    "region": [1.887961,0.382631,1.888001,0.382699,0.000000,7.791170]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/4.b3dm"}}}