{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xd12ad1c2b97cc1bfb2b277684f41dba7bfca18b266dd5e5ebc76057edefc12db",
    "signature": "0x4b25062f270440cd99a2debec7d28e11bb5caa1f5d528fa95a914e31773a1be91ac2d38db25dfc54b0cbaf29be08839975f6f476d75c49aa5015bf1b5156b9571c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}