you can post the user's extra infomation by the below URL:
- {BaseURL}/rest/gearsuserprofile/1.0/userprofile/saveUserProfile/{username}/{key}/{value}
 
Example
- http://jira.hostname.com:8080/rest/gearsuserprofile/1.0/userprofile/saveUserProfile/user04/qq/48239500
 
we will response the result
{
    result:true|false,
    message:"message",
    cannext: true|false,
    value:{},
    strValue:""
}