# Pastebin XyMk8wi7
+ gdbus call --session --timeout 300 --dest=org.gnome.OnlineAccounts --object-path=/org/gnome/OnlineAccounts/Manager --method=org.gnome.OnlineAccounts.Manager.AddAccount imap_smtp test@example.com 'Display Name' '{}' '{'\''Enabled'\'': '\''true'\'', '\''EmailAddress'\'': '\''test@example.com'\'', '\''Name'\'': '\''Test User'\'', '\''ImapHost'\'': '\''imap.example.com'\'', '\''SmtpHost'\'': '\''mail.example.com'\''}'
Error: GDBus.Error:org.freedesktop.DBus.Error.InvalidArgs: Type of message, '(ssssa{ss})', does not match expected type '(sssa{sv}a{ss})'