cnsMessage.setUserId(topic.getUserId());
cnsMessage.setTopicArn(topicArn);
cnsMessage.setMessageType(CNSMessageType.Notification);
cnsMessage.checkIsValid();
CNSTopicAttributes topicAttributes = CNSCache.getTopicAttributes(topicArn);
List<String> receiptHandles = new ArrayList<String>();
boolean success = true;