@GetMapping(value = "/users/{id}")
    public ResponseEntity<ErrorResponse> read(@PathVariable(name = "id") int id) {
        UserData userData = usersService.getUserByID(id);
        ErrorResponse errorResponse;
        if (userData == null) {
            errorResponse = new ErrorResponse(ErrorCodes.NOT_FOUND, "User not found!");
        } else {
            UserJsonBuilder jsonBuilder = new UserJsonBuilder(userData);
            jsonBuilder.addFirstName();
            jsonBuilder.addHasPremium();
            String jsonString = jsonBuilder.getJsonString();
            errorResponse = new ErrorResponse(ErrorCodes.OK, jsonString);
        }
        return ResponseEntity.ok(errorResponse);
    }