    @Test
    public void undeleteUser() {

        final String s = "{\"user_undelete\":{\"id\":796250066,\"timestamp_ms\":\"1432228149062\"}}";
        final Activity result = unmarshaller.unmarshall(s);
        assertEquals(ComplianceActivity.Verb.USER_UNDELETE, result.getVerb());
        assertEquals("796250066", result.getActor().getId());
        assertEquals(new Date(1432228149062L), result.getUpdated());
    }