{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x541fa38a0101a8cef0fe0e6955f6b8c1fbd1c09481d343e79e599239227440a0",
    "signature": "0x3ec319ebb1e75c8b082d1729e5e36afe6d4cd039ddf38389291c9802d07c88e8685b1026b72e8b14564689a6dd64f2ae5612552db073a5cd70f2de1fc7226f141c",
    "signer": "0xAa942fb8d8E7Eb9024f403fC0FF63D378019Fdb5",
    "userId": "8151"
  }
}