{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "105504",
    "entityType": "User",
    "nonce": "0x02bddbb74b21b4703d7cc30da42e6083490e928b63410078b9463c78c5960096",
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    "signer": "0x641F0ca56b08cF1eB27b9f07FD6D26E53b718b3e",
    "userId": "453799318"
  }
}