{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "237191",
    "entityType": "User",
    "nonce": "0x54bdff796d503ba7649481aa066e5ae8c474ba91aefbdd3c442403d9c27bdb71",
    "signature": "0x69dcb5ba306ff57b2cd1c04907dd41814b9707d6ca3ad8701cff1775e6d9eedb576bad45e3219cfe84b4d0d611810e962f09e96b361f2f8a746f577f7a0f595b1b",
    "signer": "0x040629E31a68119093b9a0111257C8449c2f8e10",
    "userId": "20"
  }
}