{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x2b57b89ab0a3cae748d853e575491ec01ba8ada9bfd30ecc61afa9a4fa157fe3",
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    "signer": "0x9BF67aAC36dfbc7ff94F241caD19Fb7C6AaDd059",
    "userId": "793451567"
  }
}