public T send() throws IOException {
        return web3jService.send(this, responseType);
    }
@Test
    public void testEthGetFilterLogs() throws Exception {
        web3j.ethGetFilterLogs(Numeric.toBigInt("0x16")).send();

        verifyResult(
                "{\"jsonrpc\":\"2.0\",\"method\":\"eth_getFilterLogs\","
                        + "\"params\":[\"0x16\"],\"id\":1}");
    }