nostter.app worked for me

It shows when people last posted in your "followees" 😉

Took me a while but at least a bot didn't get rid of people I want to keep.

nostr:nevent1qqsv0jd949wk62mpxwaukj8tvxl5jn9ceap7fvhadhwqf7em8f9pm3gpp4mhxue69uhkummn9ekx7mqzyp9lw2y85wuh55dpap6fh3mpsrm7cx96ppxh84kfdcukrmunh06dgqcyqqqqqqguqk2tm