Gets and sets the MD5OfMessageBody property.
            An MD5 digest of the non-URL-encoded message body string. You can use this to verify that SQS received the message
            correctly. SQS first URL decodes the message before creating the MD5 digest. For information about MD5, go to
            http://faqs.org/rfcs/rfc1321.html.
            
 Declaration Syntax
 Declaration Syntax| C# | 
public string MD5OfMessageBody { get; set; }