FileNotFound on Nostr: 4B vs NNN

{ "id": "9d5806423e3508b7f3f413c314e51d2679b472e23dc0bb099de20a1ebdd9bc9a", "pubkey": "625519f7f4dee62ef822cdda66adff3328013a205283c51a8ced7e4e0019bfce", "created_at": 1731170183, "kind": 1, "tags": [ [ "proxy", "https://spinster.xyz/objects/3d75bc8a-4e7a-4123-82fe-cb48c7b8f69b", "activitypub" ] ], "content": "4B vs NNN", "sig": "f8b52a84d10036a4b0d46fd1b42a50923138f7658a7ec6e9a4720ab10568d25ace57eb5fa271753ae27e0a874545369cbedd795de93f39489c0a0f019dcdc89f" }