{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x38f51c90047d047791ac61c07399a2a9504b9f5bbce0435828f249a850c31615",
    "signature": "0x462a5c9c43f391552f66ebc2d9ad8c4c74b9dfa650d47e3528f3c6d12330f3d140e776bd9f5ea6d999f965613c0cfbe86277fa86a1f4b75da5567178e9477cd61b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}