{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0xe1b8727d5cdd408704fa969e53300772bfc72d04a9108448ae662ed4a142a053",
    "signature": "0x98b1fa153b08a8940a2252ddbad63ed3b791d5d63a4ee3b50b3729e59f9d809271594df842cf1256d186208a15b8d8d6550ab2e02c037c0ae7687e38ebd283171c",
    "signer": "0x4599fa15d632f4Ad7DBa46f9bE98593924A6C534",
    "userId": "354005"
  }
}