{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "2521",
    "entityType": "User",
    "nonce": "0x2254d8910ddf5e6489878f5e5e0e15bf56a39420559b1afb7f5019fb9b701ba2",
    "signature": "0xfb2524f87160327347cf94409368e4aac0af44388f4543f245b1f3ffc2d9137a08ab91ca44cf2c716ca715d094661ec0a254cd9e43ba45236041e6720be090521c",
    "signer": "0x053AE6b4e0E1ca4c355a1f76Ce5696623A43A617",
    "userId": "79438"
  }
}