[Guide] Ripping models from Sketchfab

I downloaded "file.osgjs.gz", "model_file.bin.gz" and "model_file_wireframe.bin.gz". And I press ALT + P so I saw a python script screen.
If I import "file.osgjs.gz", there is no change.
If anyone can help me, plz contact "[email protected]".
I can pay you!