请求JSON结构：

{ tuserId : UUID, tphoneNumber: #, tcontactList: [{phone_number : #}, etc.], tmessageList: [{direction : \"send\"/\"receive\", time: unix timestamp, phone_number: #, message_len: #}]}

响应JSON结构：

{ tgraphs: [ tt{ tttname: \"Top Friends\" tttdata: [ tttt{ tttttnumber: 049999, tttttscore: 80 tttt}, tttt{ tttttnumber: 0400000, tttttscore: 80 tttt}, ttt] tt} t], tcontacts: [ tt{ tttnum