code: function queueSubUnsubRequest(message, response) {
  		if (typeof subUnsubQueue[message.itemName] === 'undefined') {
  			subUnsubQueue[message.itemName] = [];
  		}
  		subUnsubQueue[message.itemName].push({'message': message, 'response': response});
  		return subUnsubQueue[message.itemName].length;
  	}
docs: Add a subscribe/unsubscribe request to the queue
  
  @param {Object} message the decoded request message
  @param {DataResponse} response the response object
  @private