{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x1d1be45c0c871a7aaab93acf75fc633b048ebc245a969082c09980d85f712b92",
    "signature": "0xae2e3bea90e02282c403dd0bbad7113420f09e4d11709bf9fb1ca5f8f4f4c98b2979ec9bb421c45f369ec657a10f545531bd8dc8be7bdd5795d2d51b76f664541c",
    "signer": "0x92d3eeF18F09b6dEA8B68410222af4813dA7727F",
    "userId": "719754"
  }
}