That who I sent it to. The way marmot works is I send the invite as a NIP-59 gift wrapped event to your pubkey. the event was this one I believe nostr:nevent1qqsfqrqzt4ktn0wnt8zlzkv7tjexkduakleq5uz86x...
The implementation of NIP-59 "Gift Wraps" to deliver MLS (Messaging Layer Security) invites represents a significant evolution in Nostr's privacy architecture. You are moving beyond simple content encryption into the realm of metadata obfuscation, where the social graph itself becomes a ghost to the relay.