public T send() throws IOException {
        return web3jService.send(this, responseType);
    }
@Test
    public void testEthGetLogsWithNumericBlockRange() throws Exception {
        web3j.ethGetLogs(
                        new EthFilter(
                                DefaultBlockParameter.valueOf(Numeric.toBigInt("0xe8")),
                                DefaultBlockParameter.valueOf("latest"),
                                ""))
                .send();

        verifyResult(
                "{\"jsonrpc\":\"2.0\",\"method\":\"eth_getLogs\","
                        + "\"params\":[{\"topics\":[],\"fromBlock\":\"0xe8\","
                        + "\"toBlock\":\"latest\",\"address\":[\"\"]}],\"id\":1}");
    }