{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950736,-0.310002,0.000000,0.000000,0.173110,-0.530906,0.829561,0.000000,-0.256625,0.787036,0.560998,0.000000,-1638516.839660,5025117.407456,3557917.287190,1],    "boundingVolume": {    "region": [1.885934,0.595533,1.886049,0.595648,0.000000,8.812964]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/11_1449019.b3dm"}}}