{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0xfc0ab92cde6abaea4cde8584d6ab4e8de4ca20633605225f23c96f4fd4cf8ecf",
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    "signer": "0x4e04Cb9Ae43CA7d8B56d4BdaA7676dB0222c2a89",
    "userId": "148028803"
  }
}