{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "343",
    "entityType": "User",
    "nonce": "0x2633648a1b0c2ae878837461c8828666ccdcd757477fd6c57196c82ff00a4170",
    "signature": "0x88cd25ae26eeeb90bd4e212218d7bec7a0a9c56d7f9a074c17cf95a2900e52970dbdb51cd7cab76ddf41641f6caa7ee491ab6ca56239419cba447a79b0936e781c",
    "signer": "0x65e0fADD35005a9e8d05f2e7F38FCBF9EA7413ac",
    "userId": "18343"
  }
}