private string GetToken()
{
    var tokenContent = dataProvider.GetTokenContent();
    var tokenResponse = SendRequest(GameUrl.InitializeRequest, tokenContent, Method.POST);
    var parsedTokenResponse = responseParser.Parse(tokenResponse);
    if (parsedTokenResponse.RequestFailed)
        throw new LoginFailedException("Request failed when getting token");
    if (parsedTokenResponse.ParseFailed)
        throw new ParseFailedException("Token parsing failed");

    return parsedTokenResponse.Token;
}

public void Login(string email, string password)
{
    var token = GetToken();

    var loginContent = dataProvider.GetLoginContent(token, email, password);
    var loginResponse = SendRequest(GameUrl.Login, loginContent, Method.POST);
    var parsedLoginResponse = responseParser.Parse(loginResponse);
    if (parsedLoginResponse.RequestFailed)
        throw new LoginFailedException("Request failed when submitting login content");
    if (parsedLoginResponse.SubmitFailed)
        throw new IncorrectContentException("Login failed because of wrong input data");

    Logged = true;
}