{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "75818",
    "entityType": "User",
    "nonce": "0xae16509c19e56e1cc2e8c6fd10d6c259b45270a40ec812d494618587f5a5e21d",
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    "signer": "0x7425EdbFdF528603A88c658f4cf8B1396a8a77F5",
    "userId": "406225571"
  }
}