{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xcb8c73023ddc670098168ee50249633bcc71dec8d21f09a1490e2622a3efa992",
    "signature": "0x665fceb6c5542bed6ffe4092c40d61688810c60ed8134169a475b76369956427346a516db0b84b522256c8c80eac33d59c58cfe8636e955d0dee832897f160c41c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}