certan on Nostr: I get 404

{ "id": "f48c65c8616f42a9b66ff5d080b5f59cf6f2a3d2943a2d7abbc23ce957787a78", "pubkey": "ae42883f7a0c60fc7abcf9bcc1f6acd92911879ebe1607436015db21ac4602df", "created_at": 1676988662, "kind": 1, "tags": [ [ "e", "b2fd1f80cfc8104dd8ed1689efa11fa174dc9367859556456f4d76993e9e722a", "" ], [ "e", "19e65f0d922cecb2b3af4b10a31966a3172f45530d83fbeb3cd951f163b19fe2" ], [ "p", "3d5e66f4a87dae4e4e1cd56aa9eb7d4316062bc6a19b2891bfa890e7544bd26c" ], [ "p", "c7eda660a6bc8270530e82b4a7712acdea2e31dc0a56f8dc955ac009efd97c86" ] ], "content": "I get 404", "sig": "4083878eacc9cf66be95a254aeee82ad8e1546f097961904493563993d7f59b706ba88d1d1caf09a04376f617581eae7860eba4b0722698e413627696e5da54e" }