{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4629",
    "entityType": "Notification",
    "nonce": "0x2b5baf2051c2f17eefb528952ccfe0d9cca3f0487cbd8b0bf088f36ef8738593",
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    "signer": "0x71d32288cAa12eFeB3233E78Dd2B45De8ad0F20c",
    "userId": "592020100"
  }
}