> PUT /m8/feeds/photos/media/libgdata.test%40googlemail.com/c8390ec0ef7f98a HTTP/1.1
> Soup-Debug-Timestamp: 1415489669
> Soup-Debug: SoupSession 1 (0x15cd240), SoupMessage 65 (0x7ff42c0028a0), SoupSocket 27 (0x7ff438057d90)
> Host: www.google.com
> Authorization: Bearer ya29.uACgkznYPDckPkHNMU2MF2gRNGrNKqsjnalf5jZmQ0jV9jcp297YMiQop53msSbUJi5poX8LolhsSw
> GData-Version: 3
> If-Match: "Ry5LPl0dbCt7I2BfDnAkaEVyJFwcf00mcS0."
> Content-Type: image/jpeg
> Accept-Encoding: gzip, deflate
> User-Agent: libgdata/0.17.0 - gzip
> Connection: Keep-Alive
> 
> ÿØÿà
  
< HTTP/1.1 412 Precondition Failed
< Soup-Debug-Timestamp: 1415489670
< Soup-Debug: SoupMessage 65 (0x7ff42c0028a0)
< Content-Type: text/html; charset=UTF-8
< Content-Encoding: gzip
< Date: Sat, 08 Nov 2014 23:34:30 GMT
< Expires: Sat, 08 Nov 2014 23:34:30 GMT
< Cache-Control: private, max-age=0
< X-Content-Type-Options: nosniff
< X-Frame-Options: SAMEORIGIN
< X-XSS-Protection: 1; mode=block
< Server: GSE
< Alternate-Protocol: 443:quic,p=0.01
< Transfer-Encoding: chunked
< 
< Mismatch: etags = [&quot;Ry5LPl0dbCt7I2BfDnAkaEVyJFwcf00mcS0.&quot;], version = [14VDGutoxXF-8UQT3fVFTQ]