{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x517fbc0013e32a7468cab31e975d3f63fd863215dbea795836000df18b6782e0",
    "signature": "0x9fb2d83d399834bb0b160af4952bd9f0b849e164c6fed9edf6191a4dbcbcc32368d4cd1800a1cc7ebcb2e4b048d8f6b43caa0e29bc9a995108b1a07743eef4ab1c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}