{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xf8cf9caa24643b9bf2385a21d07c841a661530a4b995e9fa1208d315f05e6feb",
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    "signer": "0xC880eCeF93f623f8A999BC966BcE5D2D340559Eb",
    "userId": "669055654"
  }
}