What's the Nostr name for subtweeting?

nostr:nevent1qqsfr0vzpydwgg3v0ag8pw0vpvz6jvvegdelga5tnmsxcksm03hz67gpz3mhxue69uhhyetvv9ujuerpd46hxtnfdupzq33wkvdxk009wf6q0eukmxztutrrrj6tl2z5lzs69vyjmnrd0wlpqvzqqqqqqyk8d44q