> POST /m8/feeds/groups/default/full HTTP/1.1
> Soup-Debug-Timestamp: 1415490553
> Soup-Debug: SoupSession 1 (0x1c05240), SoupMessage 50 (0x7f451000f2c0), SoupSocket 24 (0x7f4510044dd0)
> Host: www.google.com
> Authorization: Bearer ya29.uAB1RRhn3TKLPSfFZeRgrzf68-Gb9tby5F20urDCBwC6B94UqINs1Hvh_iKX3FagPwd0QkLnrSyVRw
> GData-Version: 3
> Content-Type: application/atom+xml
> Accept-Encoding: gzip, deflate
> User-Agent: libgdata/0.17.0 - gzip
> Connection: Keep-Alive
> 
> <?xml version='1.0' encoding='UTF-8'?><entry xmlns='http://www.w3.org/2005/Atom' xmlns:gContact='http://schemas.google.com/contact/2008' xmlns:gd='http://schemas.google.com/g/2005' xmlns:app='http://www.w3.org/2007/app'><title type='text'>New Group!</title><content type='text'>New Group!</content><category term='http://schemas.google.com/contact/2008#group' scheme='http://schemas.google.com/g/2005#kind'/><gd:extendedProperty name='foobar'>barfoo</gd:extendedProperty></entry>
  
< HTTP/1.1 201 Created
< Soup-Debug-Timestamp: 1415490553
< Soup-Debug: SoupMessage 50 (0x7f451000f2c0)
< ETag: "Qnw6fzVSLit7I2A9XRdWFEQKQgE."
< Vary: Origin
< Vary: Referer
< Vary: X-Origin
< Content-Type: application/atom+xml; charset=UTF-8
< Date: Sat, 08 Nov 2014 23:49:13 GMT
< Expires: Sat, 08 Nov 2014 23:49:13 GMT
< Cache-Control: private, max-age=0
< X-Content-Type-Options: nosniff
< X-Frame-Options: SAMEORIGIN
< X-XSS-Protection: 1; mode=block
< Server: GSE
< Content-Encoding: gzip
< Alternate-Protocol: 443:quic,p=0.01
< Transfer-Encoding: chunked
< 
< <?xml version="1.0" encoding="UTF-8"?>
< <entry gd:etag="&quot;Qnw6fzVSLit7I2A9XRdWFEQKQgE.&quot;" xmlns="http://www.w3.org/2005/Atom" xmlns:batch="http://schemas.google.com/gdata/batch" xmlns:gContact="http://schemas.google.com/contact/2008" xmlns:gd="http://schemas.google.com/g/2005">
<  <id>http://www.google.com/m8/feeds/groups/libgdata.test%40googlemail.com/base/6beff9268d4dbc1f</id>
<  <updated>2014-11-08T23:49:13.217Z</updated>
<  <app:edited xmlns:app="http://www.w3.org/2007/app">2014-11-08T23:49:13.217Z</app:edited>
<  <category scheme="http://schemas.google.com/g/2005#kind" term="http://schemas.google.com/contact/2008#group"/>
<  <title>New Group!</title>
<  <content>New Group!</content>
<  <link rel="self" type="application/atom+xml" href="https://www.google.com/m8/feeds/groups/libgdata.test%40googlemail.com/full/6beff9268d4dbc1f"/>
<  <link rel="edit" type="application/atom+xml" href="https://www.google.com/m8/feeds/groups/libgdata.test%40googlemail.com/full/6beff9268d4dbc1f"/>
<  <gd:extendedProperty name="foobar">barfoo</gd:extendedProperty>
< </entry>