values.put("source_id", null);
values.put("user_id", null);
values.put("changes", "{\"Website\":{\"f\":\"http://www.somesite1.com\",\"t\":\"http://www.somesite2.com\"}}");
UUID id = UUIDs.timeBased();
om.update("object_audit", id, JsonUtil.rhombusMapFromJsonMap(values,definition.getDefinitions().get("object_audit")));
//Get back the data and make sure things match
Map<String, Object> result = om.getByKey("object_audit", id);
assertNotNull(result);
assertEquals("Account", result.get("object_type"));