Proton on Nostr: Here's how:

{ "id": "cfb1e4752dd81a8a0f05ae5e9b9f99da6ba1af85883538dbd330ba5986c4b4a1", "pubkey": "3829e00e2b7f81f94fa1103ede83be1f140724299c9a3732f68abd38c307525e", "created_at": 1721675907, "kind": 1, "tags": [ [ "e", "4dd4eea489fc921432e7f8ba3eb1327faf9ca32e4c5f1644863f559453207f13", "wss://relay.mostr.pub", "reply" ], [ "proxy", "https://mastodon.social/users/protonprivacy/statuses/112831752289932056", "activitypub" ] ], "content": "Here's how: https://proton.me/blog/pass-secure-link-sharing", "sig": "7c9d325225764611dbd78990f650734dc8f4d5a7b1e458783e9814caa2fe7aafeafd68283e6c85cf88fc4689ef976a058806d63e3d62cd40be149d9126a4ac07" }