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:nevent1qqsfqrqzt4ktn0wnt8zlzkv7tjexkduakleq5uz86xduhl8jektr6qspz3mhxue69uhhyetvv9ujuerpd46hxtnfdu7p42p3 Then you should be able to unwrap (decrypt) ...

As a test you should try inviting my other pubkey to a group. here is the key package I published nostr:nevent1qqspvjsasxc3y7nher0wy436pugpyg990rj3tg6vnr2gyc4kvqmyraqpz3mhxue69uhhyetvv9ujuerpd46hxtnfduwzwqdq