Just NIP-44 encrypted. Check out the linked spec.

Raw JSON

{
  "kind": 1,
  "id": "d75f7ce924a50a7037874578c82e575d3a35a0f4b966146ae4ae6fbaece18f2d",
  "pubkey": "2d9873b25bf2dda6141684d44d5eb76af59f167788a58e363ab1671fefee87f2",
  "created_at": 1779064308,
  "tags": [
    [
      "client",
      "Damus Notedeck"
    ],
    [
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    [
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    [
      "p",
      "2d9873b25bf2dda6141684d44d5eb76af59f167788a58e363ab1671fefee87f2"
    ]
  ],
  "content": "Just NIP-44 encrypted. Check out the linked spec.",
  "sig": "608960a53dbb4687ada26b6424a4e8a727e186cf61f1b3db1a7d8270d97226475af717670ba7632271898816897c81d23d0d951570d4c9a81bf351b7fd64e2be"
}