{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x589ee91ac643fa0cd087c577b803ed58e17f27c323f465a53a5d324662344523",
    "signature": "0x73e9a230ef567426315d17dd024336203cd19e61581b4d1b866dcfbb12c0621347ed8ffe2a979be17704a7b8bd6e46aefd1b39e97559c4c72222a96e0ec7f6171c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}