{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x41df9f107e48a1cffa176400d085d0e13579385b7498e507fbb5cc71c2e2c9d6",
    "signature": "0x051629556fd9886fe5631f88ccdd708b2ed72b49e3596a0e671de409b3bf4ca765ae5feac44641023f979d9e335cf74c1c45f514db24af13332ec98a7dc8529c1c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}