{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x785d1ce79a611c89c361bd75060fad15f423595acb5a2fd634a30a1a028d183e",
    "signature": "0x216df440face99b8994d107c97b815c5cc657d764c6b41d04069cffbad89a4001b2e76b68645ea0d571ac9d3daa76a4c146da48163899c02897bf8cada7ae01b1c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}