{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x4da0c261f68f5a6b1fe7f0dd3a5040f0b1e32c48a724ab2d9191839eab1dc57a",
    "signature": "0xc3cd70bc1625892dbe77f755782d23d413bf75d946ded56c73cd44907d42eb071e34f2f0dddba2b4607437b79f8692459dd97109d0936043bc28b04ea94effd71c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}