{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x8d4b4c10a29c28dd5831e48c1268cc274f3917479d7b0b13beb3fff2ab065666",
    "signature": "0xe77acc3f5dac274709cfc46a7841bd167026f2a2debf24388978fe663eef96ad2a88b4716b41a9e000348c82ac122fdd6b657c7e4c73524e355dff44383f52311b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}