{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x155a61d6cfe56d4a4472a07bee01863677b444ea74affc562fe0e19de9a73ff9",
    "signature": "0x4a00ea168e66115b7278aa4a3f225880e208360c233d19a0609809f03c10ba1f139394d53b47c96e0030a2ab35c5dcd16c6a0783d00dd2990d860cdf510ad2721c",
    "signer": "0xAa942fb8d8E7Eb9024f403fC0FF63D378019Fdb5",
    "userId": "8151"
  }
}