{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51537",
    "entityType": "User",
    "nonce": "0xf735f58133e9ac259ab166f2d7b9579b4e5efeb4471cdcb9ed5fa3630ca51de4",
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    "signer": "0x64CFA35C141c7333C0b6f9008Ea3bE8e5dCB0B8E",
    "userId": "384526"
  }
}