{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "849530",
    "entityType": "User",
    "nonce": "0xfa23f6242e3f993def0b8adba82a123f2480f35fa0995c3030c0c1b0344de2b3",
    "signature": "0x13607284cc85f31045d71e90ee7878d46ef6231db4c14a3703b9eca78de2ea023c238ce7d0fe7ccdee7bea0dc047da81bcfd69cb45747a41a8d12ff159af968f1c",
    "signer": "0x040629E31a68119093b9a0111257C8449c2f8e10",
    "userId": "20"
  }
}