{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xed74157472b5736a48b914efbc238e896381cf44a154142fcdca5d79acb47865",
    "signature": "0xbdda9c79df216e2ac3eb89dd350f2dfae7c0f24da9d2d663516b2c9de076d51e56cf97d8d5ce90da9ebd41d4755390dc8a6d395ad5a5ab8a06996f0062171f191c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}