{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x1ae77660af25f7088e803465d980257f15809f72e93c1e2ab29ea03f44df355a",
    "signature": "0x853f65f02aaa0d4826ba378e276ddbedf40c220613a9a0f0c90b50f81e08e51a2efc2a3f824c5bc42936fa99b53e36d1bb9d9b8f4eb2ac6adb6a593514d7b08d1b",
    "signer": "0x7fB23CaDa61ACB0c4fCc650FDE57c3B812d4A5f4",
    "userId": "66130"
  }
}