code: func WriteJSONToResponse(w http.ResponseWriter, httpStatusCode int, responseJSON []byte, requestType string) {
  	w.Header().Set("Content-Type", "application/json")
  	w.WriteHeader(httpStatusCode)
  	_, err := w.Write(responseJSON)
  	if err != nil {
  		seelog.Errorf(
  			"Unable to write %s json response message to ResponseWriter",
  			requestType)
  	}
  }
docs: // WriteJSONToResponse writes the header, JSON response to a ResponseWriter, and
  // log the error if necessary.