I had the same issue, and I muted them but it didn't work. Someone suggested muting them a few times and that worked.
I get a followed notification from this account and a few others every day.
What's going on?
https://primal.net/p/nprofile1qqsf24u42d2ltugavnwpcttazdk4syvsflw9j254pj6qj8g9g9llhgg898jnk
I had the same issue, and I muted them but it didn't work. Someone suggested muting them a few times and that worked.
Interesting