The --outbox flag does that for inboxes too already. I didn't have a better name. That's what happened in nostr:nevent1qvzqqqqqqypzqwlsccluhy6xxsr6l9a9uhhxf75g85g8a709tprjcn4e42h053vaqqswj9ealrv08eegkrvtxkrknr4ksu9v4yjw90y4ayve2z5x7nedcmczduxt9