{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x79475142fc80de84e7c72ca6e8c757bfee814b920928dfbc35c6f995bc34c41c",
    "signature": "0x0344e88c62daba40391ca48947548f27679c2a4d29fb6f432d69b01a987abaa825949df77158b18f4f9739d4926221346a4265acd0575d2d328b69e8ecc029261c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}