{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x5de9de74b3f8943c7925ecd14a975c18772b8e828c6db4703ed875d82d57b95c",
    "signature": "0xbaadba72cc85b2d99de833172eff5ade06531271fd38fda895aa91ba45d1451b2085c761923299b7aeed5aa668469507737f0223b5a63d05091a573d348013bc1c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}