{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x4c2fead05caa32b1418c475312882ab6373f488555378ea280a4f0452bae90d8",
    "signature": "0x8a47fb9575408bec7925cfb213aded88fb943520f3ccad4274f166b993e15fb35cec428e80fda3e8e07b9a9c02aafff03bf74a15026048d267a58b03905dd53b1b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}