{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "527997908",
    "entityType": "User",
    "nonce": "0x1a78e7aa4c36e44f1846e7bbfcd0a302b0278c5c1f43776e76381625e18fc8eb",
    "signature": "0xbbc4b9ab22dc7de2117ee691c717df792695e170798bb5bf0193e5d7ff6f389b057a4e0e61f507ef5e3959784bb5f1d340d5fbffa175783d6e1581abc12e68de1c",
    "signer": "0x3256Bd2D0B1984E7df4FA525017aD9bA48470760",
    "userId": "51"
  }
}