{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x41dc161cb7551c4c90bea126f60156bd51403c32142c7ca2b87ad96444081734",
    "signature": "0x67ea23f9498f64cb3e9f406222e1242623f704a261aa9ad72ad22600b82bad4f5515a57b76815c4e7cbe17bea412068de770cd38d4708b3a8ac6f92894ba33421c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}