如何在一个请求中更新OData实体并修改其导航属性？

I am trying to implement what I thought was a simple scenario using an OData service provided by WCF Data services (using the OData V3 application/json;odata=verbose payload format, for now. I may use the JSON Light format in the future). The basic scenario goes like this:I am trying to implement what I thought was a s