{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xafca2241570a8d17f3aa04f2199344924e0a8869ff42ff8b39b6e3ff0a249c15",
    "signature": "0xe93c3f91a753bf7e7f8b993a532a5a1e790cbb57c0f2fc991ee4180fc0a504a12e523e9cde90128f93617c1f0121ff70527b3eefc69159d9339568b42e8de88e1c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}