{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "16497",
    "entityType": "User",
    "nonce": "0x3affe7a9e15815a11a475c0e9f78e776b064b18125869e3bc47f9b7c561e643c",
    "signature": "0x3e9ddbdb60d7b825d6328715286b6d568d1a4c1d72ae664b618eb8a7b671889c0e2a24fefdb0a14ccd6fda4fe7023c2c8c70fbf94415438c9252390360d068001c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}