{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "1512820",
    "entityType": "User",
    "nonce": "0x0316c581c6890808806b2b5bc3ba4018fe8bc2f1ea17a609c3d42e740c4fb49e",
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    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}