Which one LDK?

Raw JSON

{
  "kind": 1,
  "id": "912691b90f29825782f66b6bf9ebc71b4d223d76802d964f16c68482861b6f3a",
  "pubkey": "b133bfc57bed61c391d4e8f953b906c7f1709c438d91c75fb6daf79449d5789d",
  "created_at": 1775139715,
  "tags": [
    [
      "e",
      "617f767cf020d701a238662f7b675f865fa479023e49e7543de204410618f7f7",
      "wss://nostr.mom",
      "root",
      "2d9873b25bf2dda6141684d44d5eb76af59f167788a58e363ab1671fefee87f2"
    ],
    [
      "e",
      "44b613825dd88cbe8588ecfc236c11828ea2716cce131b23c7efabcc3c86613d",
      "wss://nostr.mom",
      "reply",
      "2d9873b25bf2dda6141684d44d5eb76af59f167788a58e363ab1671fefee87f2"
    ],
    [
      "p",
      "2d9873b25bf2dda6141684d44d5eb76af59f167788a58e363ab1671fefee87f2"
    ]
  ],
  "content": "Which one LDK?",
  "sig": "f3748b627bbc8a06878659a1e4caa6930d5c85627f694dd92cc22a4fd23a78cfe696eeb2735b0e1560ee6d1e98a2cfa9bac3f7e13181cf8f01300dd953296fa0"
}