For instance see this as an example of a signed message. You then copy paste that including the pgp signature into kleopatra to verify its indeed from that fingerprint.
nostr:nevent1qqsdwetspcg0ev5e2x6wvmtgfaep3u26ypc5d08m2edd29y7ujels9cpz4mhxue69uhkummnw3ezummcw3ezuer9wchsygq5ws04uwm7l564aztkhml3xlgd5yqs3qrg2hxlwrl3qlshl5mutupsgqqqqqqsw0073e
