{"version":"1.0","type":"rich","title":" FFT of sine waves","description":"A viz from VizHub","provider_name":"VizHub","provider_url":"https://vizhub.com/","html":"<iframe src=\"https://vizhub.com/drbagwell/d1cf123a6ddb4f7286fd77053a8c5332?mode=embed&embed=branded\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"no\"></iframe>","width":960,"height":500,"cache_age":3600}