public static void updateDoctorByAdmin(int id) throws JsonProcessingException {
   doctor.setId(id);
   doctor.setName("Valera");
   speciality.setId(1);
   doctor.setSpeciality(speciality);
   RestTemplate restTemplate = new RestTemplate();
   HttpHeaders headers = new HttpHeaders();
   headers.set("auth-token", StaticStrings.ADMIN_AUTH_TOKEN);
   HttpEntity entity = new HttpEntity(doctor, headers);
   HttpEntity<Response> response =
       restTemplate.exchange(
           StaticStrings.UPDATE_DOCTOR_URI, HttpMethod.POST, entity, Response.class);
   ObjectMapper mapper = new ObjectMapper();
   System.out.println(
       mapper.writerWithDefaultPrettyPrinter().writeValueAsString(response.getBody()));
 }