{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0xb2dee776142f0b28e73b4feb7c96dc581b94fdff31f19f17a1a884ddbac0a3a9",
    "signature": "0xefc9236a8b372d7cc6d5e4268e9f98e4b9500bcaa2fb2bc47d05070840f72c2d78888be1356f0c6a98a6239e10e2cb81084b294c9ad45d7976c65ddefa61f4231c",
    "signer": "0xBa879F0BE8Df92016D51b444988147F03192297D",
    "userId": "168889346"
  }
}