请求在postman/java中失败，但在restclient中工作。。这是请求，附件是错误截图。
这是一个post请求
{“username”：“test”，“password”：“test”，“simulate\u user”：“test”，“sourcetabledesc”：“testlist100”，“contacts”：[{“organization”：“ckt”，“workphone”：“12315423”，“firstname”：“tester0”，“zip”：“1231”，“stateprov”：“dasdas”，“lastname”：“torrance”，“address2”：“blablabla ble 1231”，“address3”：“blabla ble 1231”，“emailaddress”：“test”，“contactid”：“ds21029”，“country”：“united”，“title”：“driver”，“address1”：“blabla ble 1231”，“city”：“pepepe”}，{“organization”：“ckt”，“workphone”：“12315423”，“firstname”：“tester1”，“zip”：“1231”，“stateprov”：“dasdas”，“lastname”：“torrance”，“address2”：“bla ble 1231”，“address3”：“blabla ble 1231”，“emailaddress”：“test”，“contactid”：“ds21029”，“country”：“united states”，“title”：“driver”，“address1”：“blabla ble 1231”，“city”：“pepepe”}]}

我的标题如下：

这是我应该得到的回应：（你认为这可能是回应中的单引号引起了冲突吗？）
{“data”：“{status'：'processing'，'sourcetablename'：'srcapi\u 20170714\u 13888489\u 7'}”，“call”：“unused”，“api\u version”：1，“encoding”：“utf-8”}