{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x385c09d7707ffbe570a22b827a179b01a5d1cb1b3891d223aed040eb1afd80b7",
    "signature": "0x8b76f28846e6692c4b953bee04e352e9f385982ac43867c50f50c43d797d4aa81fd02d1cea5a49c7694664bc8125a2d1fb06a02c13ece46c0cebfb1c75484a841c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}