{"type":"rich","version":"1.0","title":"dtonon wrote","author_name":"dtonon (npub100…8vwqk)","author_url":"https://yabu.me/npub10000003zmk89narqpczy4ff6rnuht2wu05na7kpnh3mak7z2tqzsv8vwqk","provider_name":"njump","provider_url":"https://yabu.me","html":"You can search for an old kind-3 contact list event and recover the full npubs list. I don't know if there are clients that let you mass import them, but with a console tool should be quite easy to do."}