{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "53389",
    "entityType": "User",
    "nonce": "0xf00481804b4e098a70571ca2228c0044e0d24a9ccaee2c2a36a06a4b899d19b9",
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    "signer": "0x3256Bd2D0B1984E7df4FA525017aD9bA48470760",
    "userId": "51"
  }
}