如何使用JQuery Ajax将JSON对象传递给web2py

I've used this method in .NET to pass data back and forth between client and server using JSON objects (both ways). I really liked the method and am looking to do something similar with web2py. Web2py supports returning json objects and supports jsonrpc. I haven't however been able to make it parse a JSON object. My client call looks like this: in .NET to pass data back