AccountInfoServiceExternal

getAccountInfoChangedStream: Streams updates about account information changes, accepts a PBAccountInfoChangedRequestExternal message with the systemUuid, groups, and flags for blocked/locked accounts, returns a stream of PBAccountInfoChangedStreamResponseExternal messages containing either PBAccountInfoUpdated objects with account details like login, group, leverage, status, and currency, or PBAccountInfoDeleted objects with the reason for account deletion.

On account update only changed fields are returned (full list of keys in Create Response example).