I think the idea is valid, something needs to be tried to get rid of the DHF for good in my opinion. In addition to the premium subscription, why not perhaps offer something like a "battle pass" that we have in games? You can implement it by having free and premium tiers, which in this case would be purchased, to gain XP you would do missions like, daily check-in, votes, comments, post on snaps, reblogs, that kind of thing, as you level up, you earn something, free tier provides fewer rewards while premium you always earn something at each level or every 2 levels, something like that.

These prizes can be different things: L2 tokens, HP Delegation for NFTs, like, a lot of things can be put up as prizes.

Anyway, I think that a "battle pass" where you have a discrepancy between free and paid tiers, could be a good thing, I know I didn't exactly talk about the peakd premium but I think this idea can help you too, along with a peakd premium that can have N more functions too.