code: private void addEntityID(Map<String, String> requestParameters, StringBuilder uri) {
          if (StringUtils.hasText(requestParameters.get(RequestElements.REQ_PARAM_ENTITY_ID))) {
              uri.append("/").append(requestParameters.get(RequestElements.REQ_PARAM_ENTITY_ID));
          }
      }
docs: adding the entity id in the URI, which is required for READ operation
  @param requestParameters
  @param uri