I've just read the JSON info in 15 RC1 and am a bit disappointed it seems to be one sided when it comes to struct/array data

What if any are the plans to alow the sending of structs and arrays of JSON data to the webservice and a class to accept it and be able to parse it and also to build a JSON document?

I'm sure I could write something to parse a JSON string in VDF or build one but I suspect it would be quite slow

I was really hoping to be able to replace our SOAP/XML web service with a JSON version as XML is so slow when it gets bigger. But at the moment I cant