{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "669163",
    "entityType": "User",
    "nonce": "0x7b3ca82771922a18241b0e9b53110e950ff4c7bf69b159ee2e0a122a913e576c",
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    "signer": "0xE534A1ad2e8E1f616866185D1efDf463B0eD38b4",
    "userId": "353625"
  }
}