MembershipTO membershipTO = new MembershipTO();
membershipTO.setRoleId(8L);
AttributeTO membershipAttr = new AttributeTO();
membershipAttr.setSchema("subscriptionDate");
membershipAttr.addValue("'2009-08-18T16:33:12.203+0200'");
membershipTO.addAttribute(membershipAttr);
template.addMembership(membershipTO);
task.setUserTemplate(template);
SyncTaskTO actual = restTemplate.postForObject(BASE_URL + "task/update/sync", task, SyncTaskTO.class);