{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x5f0bbf4e8891819f14c9a295ea8be0db628662efb13d4bd06a601c52dc56cf43",
    "signature": "0xb11dfa1dd086a968f4beac973e64c322fa3ae4f8e5d209885483a89bd9c9f93468777b6a08d3698339c752aa928a814fcdc39c920d655487aa112697a208f6601c",
    "signer": "0xd543a0232b294823FE594e2f4B732D93B92B24cf",
    "userId": "2559"
  }
}