PK on Nostr: very concerning!

{ "id": "6c1c92f4fe1a08b37c68c8c4bd03c4078f4ed0e4576c676611164c58f66802e6", "pubkey": "ca0d62d48728461e40e2091f8689a242b52b4720e82105cf6580806b2a2a1d59", "created_at": 1719466996, "kind": 1, "tags": [ [ "proxy", "https://mastodon.social/@paulk_/112686989066013311", "web" ], [ "p", "264aa35db313dd1a72a9f03768c338501ba2fda79894e50226d3d1bd67579843" ], [ "e", "81f9a2a58e53980fc02ef624edcd08fe7d7deb61d458a0fd14efd08a9b7b9940", "", "root" ], [ "p", "3e0611377fc36f81d637270f931c9b4761ddbfb1d5419d2237e6333931d40799" ], [ "proxy", "https://mastodon.social/users/paulk_/statuses/112686989066013311", "activitypub" ], [ "L", "pink.momostr" ], [ "l", "pink.momostr.activitypub:https://mastodon.social/users/paulk_/statuses/112686989066013311", "pink.momostr" ], [ "expiration", "1722058999" ] ], "content": "very concerning!", "sig": "6b51d412d1c8a83ca52979d3d7626f8de3f1be768cb920950df9bf2a681a861af7a5952f009e6293de4e1bb0e97e6f00cab725dd6aed51a3b1cd12d3e033f908" }