one example of response from dropbox /delta API

delta-dropbox.json

{
  "reset":true,
  "cursor":"AAHskXVmJSRVG_bgh4Oq2VPQqG79nWM26Tl8jSmRyiGM3M0EGLzi_df861bAJ6q5xzkbQD7WhMTh8cEA2s1GUlDg79gRBPQJ6D5vJvah2sZrBg",
  "has_more":false,
  "entries":[
    ["/proj1",{"revision":3,"rev":"30ec9923d","thumb_exists":false,"bytes":0,"modified":"Wed, 20 Mar 2013 05:58:43 +0000","path":"/proj1","is_dir":true,"icon":"folder_app","root":"app_folder","size":"0 bytes"}],
    ["/proj1/current",{"revision":6,"rev":"60ec9923d","thumb_exists":false,"bytes":0,"modified":"Wed, 20 Mar 2013 05:58:48 +0000","path":"/proj1/current","is_dir":true,"icon":"folder_app","root":"app_folder","size":"0 bytes"}],
    ["/proj1/backup",{"revision":9,"rev":"90ec9923d","thumb_exists":false,"bytes":0,"modified":"Wed, 20 Mar 2013 05:58:59 +0000","path":"/proj1/backup","is_dir":true,"icon":"folder_app","root":"app_folder","size":"0 bytes"}],
    ["/proj1/current/test.txt",{"revision":12,"rev":"c0ec9923d","thumb_exists":false,"bytes":34,"modified":"Wed, 20 Mar 2013 06:10:51 +0000","client_mtime":"Wed, 20 Mar 2013 06:10:46 +0000","path":"/proj1/current/test.txt","is_dir":false,"icon":"page_white_text","root":"app_folder","mime_type":"text/plain","size":"34 bytes"}]
  ]
}