{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x6884f6326f1f6b66731278941fc42de12a7f12e5ec1076b9ecc313b880f4ab4e",
    "signature": "0x140579080409e546e3082b933f4533573b3a04e9fdd0d1e626ca420d3a52e15b7e488c0ce485b3270562c572a7b04587ac4cc4ae93cf9fdb30a36bfc156f0d111c",
    "signer": "0x9f6F5c6f5D955B87E993982eD600F8BF040c8958",
    "userId": "615832397"
  }
}