{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xe22033c001070ff997227cc22323d824b215da04a032df3270305178330e4282",
    "signature": "0x6970d4b2872a2ae7931f45902ee3b9242e0c001aeb91102836c3dc43eb8809462fbe2035251015922d5e861505ccccf69b9dcc13f77e522f82926f622c4961c81c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}