是否有一种方法可以从http响应中提取JSON，而不必构建结构体?

All of the ways I'm seeing involve building structs and unmarshalling the data into the struct. But what if I'm getting JSON responses with hundreds of fields? I don't want to have to create 100 field structs just to be able to get to the data I want. Coming from a Java background there are easy ways to simply get the http response as a string and then pass the JSON string into a JSON object that allows for easy traversal. It's very painless. Is there anything like this in Go?All of the ways I'm seeing involve building str