One simple echo http server which replies any json content as desired.
POST following content to http://your-server-host:8888/config/submit,
{ "path": "/hello/world", "data": ["nihao","你好"] }
The path in request url is defined by “path” key in http body (json)as step 1,and get response which is defined in “data”,
Request: POST /hello/world HTTP/1.1
Response: ["nihao","你好"]
Hope you like it.