docs: @POST
      @Consumes({ MediaType.APPLICATION_OCTET_STREAM })
      public Response postMessageWithoutContentType(@PathParam("ccid") String ccid,
                                                    byte[] serializedMessage) throws IOException {
          ImmutableMessage message;
  
          try {
              message = new ImmutableMessage(serializedMessage);
          } catch (EncodingException | UnsuppportedVersionException e) {
              log.error("Failed to deserialize SMRF message: {}", e.getMessage());
              throw new WebApplicationException(e);
          }
  
          try {
              String msgId = message.getId();
              log.debug("******POST message {} to cluster controller: {}", msgId, ccid);
              log.trace("******POST message {} to cluster controller: {} extended info: \r\n {}", ccid, message);
  
              response.setCharacterEncoding("UTF-8");
  
              // the location that can be queried to get the message
              // status
              // TODO REST URL for message status?
              String path = longPollingDelegate.postMessage(ccid, serializedMessage);
  
              URI location = ui.getBaseUriBuilder().path(path).build();
              // return the message status location to the sender.
              return Response.created(location).header("msgId", msgId).build();
  
          } catch (WebApplicationException e) {
              log.error("Invalid request from host {}", request.getRemoteHost());
              throw e;
          } catch (Exception e) {
              log.error("POST message for cluster controller: error: {}", e.getMessage());
              throw new WebApplicationException(e);
          }
      }