{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x7d3b232772027dcba538fc532b82729b77dc02a3b5549266c85744dd28b8f939",
    "signature": "0x0644bfee64596806a0dcce77a92c2b437e3b5828cc26b9c19c895a7a550eeea93c8a0b960a4bc43477884fbf53c44bdcf3564e0b51911bbb64e9525f7bbabbd31b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}