@Test
public void testFromJsonString() {

	String data = String.fromJsonString(s1.toString());
	assertEquals(s1.toString(), data.toString());
	assertEquals(s1.toJsonObject(), data.toJsonObject());
	assertEquals(s1.getMessageType(), data.getMessageType());
	assertEquals(s1.getData(), data.getData());
	assertNotSame(s1, data);
	assertNotSame(s1.toString(), data.toString());
	assertNotSame(s1.toJsonObject(), data.toJsonObject());
}