{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "4510",
    "entityType": "User",
    "nonce": "0x7aeee8e08b5b568e3ad5d66c76a60c53d02fe3768ca50f5d5bd8c07be9e35334",
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    "signer": "0xd12A323399559A3773F865c8F21031bc39c29135",
    "userId": "219968466"
  }
}