{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x6da1d75cee3b087abdfcfc3eae668c1dd786e71732d8c737e149ef847dd13472",
    "signature": "0x3becc991de68da4e42b91eec7e8a3479a27ddbb5aef77fa0e77c47f6155877b61fc2fd85b53e8646c902bc8a8c41c09cc48c46b52faa7b285fde4b08eb0c6cbd1b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}