{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0xed73be6adf20dd66a57901c3e10fa0443548d9a6606b10d3e6a837a0a6090d8b",
    "signature": "0x49e915a90db34d8fe9b7fff506d6a38120352a8d6cb12e28434d79810596dc0203c1c3ff942a9041a7a303c2daa486b4dcc87fd401dfe5e1c503ceb7e094f67f1c",
    "signer": "0x580b8ce3181CecdE24dda8DddDB6a57828990d63",
    "userId": "214104220"
  }
}