{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xcc17b82aabcd31eadf217d7ac4e8462e23af37e054cbede81424e2bd399fa34c",
    "signature": "0x49ac6eab7500ccf3b1b7043bba076e2b73bdd8e5d7d1f8b80fecf82898d38842788e97ff4e357f324003c166d048afc1127b66b82d72c7bba6e876d82d9639aa1b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}