{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x3db24c55215dfe85a17d7572a43547a35d93827247b6bd41a8820de59379f495",
    "signature": "0xa1c7d09d0e9a9889048ddfbc52b44daab981520ef74ea617f9465cc10708d3bb35cf12f9becdad1aabac8ebc0f3e071b86b1b4a8a40eb5445585793cb57823271c",
    "signer": "0xd543a0232b294823FE594e2f4B732D93B92B24cf",
    "userId": "2559"
  }
}