public async Task <IActionResult> Update([FromBody] MarginIssuer marginIssuer)
        {
            await _marginIssuerService.UpdateAsync(marginIssuer);

            return(Ok());
        }
        public async Task<IActionResult> Add([FromBody] MarginIssuer marginIssuer)
        {
            await _marginIssuerService.AddAsync(marginIssuer);

            return Ok();
        }