public async Task AddFriendReferralAsync(ReferralFriendRequestModel leadRequestModel)
        {
            var result = await _referralService.AddReferralFriendAsync(_requestContext.UserId,
                                                                       _mapper.Map <ReferralFriendCreateModel>(leadRequestModel));

            if (result != null)
            {
                throw LykkeApiErrorException.BadRequest(result);
            }
        }