Create a FHIR patient

PatientController.cs

[HttpPost]
[Authorize(Policy = "OwnerOrAdmin")]
[ProducesResponseType(StatusCodes.Status200OK, Type = typeof(Patient))]
[ProducesResponseType(StatusCodes.Status500InternalServerError, Type = typeof(Error))]
[ProducesResponseType(StatusCodes.Status422UnprocessableEntity, Type = typeof(UnprocessableInputException))]
public async Task<IActionResult> CreatePatient([FromBody] dynamic value)
{
    Patient patient = _fhirParser.Parse<Patient>(value.ToString());
    var user = ((User)HttpContext.Items["User"]);
    patient = await _authorizedFhirService.CreateAsync(user, patient);
    string createdPatientJson = await patient.ToJsonAsync();
    return Content(createdPatientJson, MediaTypeNames.Application.Json);
}