Are Sen Manchin's true colors (i.e. corruption) revealed in this leak?

Skip to 9:34 in the video to listen to the smoking gun (or listen to the whole cast for some context/framing): 

https://www.youtube.com/watch?v=t7flnWt0fe4&t=574s

Here is the original leak from The Intercept and here is some generic background on the No Labels advocacy group.