{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949421,-0.314007,0.000000,0.000000,0.175384,-0.530285,0.829481,0.000000,-0.259915,0.785870,0.561117,0.000000,-1659525.801475,5017676.060157,3558677.063744,1],    "boundingVolume": {    "region": [1.890158,0.595694,1.890257,0.595776,0.000000,8.779541]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/5_1364878.b3dm"}}}