{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x8c079ec6316ae6a6e4409084e7abf8895511619247e17a8d7e7af3e41eb6e7b6",
    "signature": "0x631893635b9d95518467cd8344f0d7020646bba2d5433a70899fd48f37ddc7342fa7136a95254987f2a44165775a20e568423974528d2f5f1b27bf9f5f8136b21b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}