{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949352,-0.314214,0.000000,0.000000,0.175269,-0.529550,0.829974,0.000000,-0.260242,0.786285,0.560383,0.000000,-1661607.813980,5020315.892542,3554010.814150,1],    "boundingVolume": {    "region": [1.890343,0.594715,1.890505,0.594981,0.000000,14.108846]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/12_1379154.b3dm"}}}