POST / HTTP/1.1
Host: www.example.com
Connection: keep-alive
Content-Length: 252
Accept: application/json
Cache-Control: no-cache
Accept-Language: zh-CN,zh;q=0.8
User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/56.0.2924.87 Safari/537.36
Content-Type: application/xml
Accept-Encoding: gzip, deflate, br

<?xml version="1.0" encoding="utf-8"?>
<xml>
    <foo>bar</foo>
    <fii>bae</fii>
</xml>
