The note includes a `note1` entity, which is just an id, and no tags. Ideally, clients would encourage people to use `nevent` entities instead, since they include relay hints, but more important would be to add a `q` tag with relay hint + pubkey hint: https://github.com/nostr-protocol/nips/blob/e3afd7ac5b72c20fe209edf3ea84cd986d0bd4ef/18.md?plain=1#L21