In the screenshot of the TG conversation in the first post, Richard Heart is asked if he is running any Bitcointalk bounty and he says "no." He might be specifically referring to the "fake" one, but if I was getting paid for wearing his sig I'd want to know if it was legit or not instead of just assuming that it is.
Yeah in that case he referred to that fake previous signature campaign, in which OP didn;t appear since the day he started that fake campaign. Regarding this 2nd one, I checked a bit to see what I can find on their Telegram group and it looks like this one is legit and endorsed by Richard Heart. Some member asked whether campaign is scam or not, and this is what he replied and as you can see, they are advertising it via bot.

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