stu on Nostr: What feed is that ?

{ "id": "fa3fab48cfeead5fab2cde9142c91932f1a08d9a4e8e16968da35fd6c2d6d5aa", "pubkey": "390e88039349ab83ac4a89c79a56c267d65df58ac050c2f2fbef67b948ebdfb9", "created_at": 1739306796, "kind": 1, "tags": [ [ "e", "281b72d3e6e2d9e30ec1a00d7708d29748a5335f0eed777f9fc50f475bab7b9c", "wss://poster.place/relay", "root", "33c74427f3b2b73d5e38f3e6c991c122a55d204072356f71da49a0e209fb6940" ], [ "e", "18c94df7a568cd923efd5383040f56c65079ac90b39ae9df0a9eea07b9b9fe2b", "wss://poster.place/relay", "reply", "33c74427f3b2b73d5e38f3e6c991c122a55d204072356f71da49a0e209fb6940" ], [ "p", "33c74427f3b2b73d5e38f3e6c991c122a55d204072356f71da49a0e209fb6940", "wss://poster.place/relay" ] ], "content": "What feed is that ?", "sig": "8d1c110dfff421c2c5d1273bd0ded7a584f7b35d2b96c18f8a49ea7c60b4a155ef1d4b2a54d57f9fa09a4c4647ddcbeab9c939a21bddd9e62f86b6332ab2ca98" }