public override void Authenticate(string signature, AuthenticateExtraData extra)
        {
            if (_tokenValidator.Validate(signature))
            {
                _sessionCache.AddSessionId(signature, _details.SessionId);

                IsAuthenticated = true;

                WelcomeDetails = new WelcomeDetails
                {
                    AuthenticationRole = "Lykke client"
                };

                Authorizer = TokenAuthorizer.Instance;
            }
        }