{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xcd47c15a77cdc3ce54ab689c84b8da3245adb0dbc79ff825b51a84c0cdedd5e9",
    "signature": "0x9f07d9d4dbff1bb56b18fdaca8b42e5b2e2c9a09d101a2ae9ad7c8080d594ac408ad0f2bd890e2c46057d952bde09b7ab9caf8af6921e207b4e0b75974595a8b1c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}