{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x3a3bc40f18e127905a41a6527b8a9ccd30770e61afe27da6aa9863f05bd59aab",
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    "signer": "0x25F75388E502B5F033aa0b5b599B14D0F0f75a4a",
    "userId": "357543587"
  }
}