private async Task <Subscriber> NewUserFlow(ILogger log, string chatId)
{
log.LogInformation($"NewUserFlow() is executed for chatId '{chatId}'");
await Task.Delay(PauseBeforeAnswer);
var workflow = new AccountWorkflow();
workflow.Inject(_serviceProvider, _config, log);
var subscriber = new Subscriber
{
Email = string.Empty,
TelegramId = chatId,
StartWorkingHoursUtc = default,
