POST /v1.0/583923/images?format=json HTTP/1.1
Host: servers.api.rackspacecloud.com
Connection: close
Accept-encoding: gzip, deflate
User-Agent: Zend\Http\Client
Content-Type: application/json
Content-Length: 56
X-Auth-Token: ed355855-8bfa-4716-b613-c04b606cdd8c

{"image":{"serverId":20247478,"name":"ZFunitTestImage"}}