private IEnumerator exampleContractCALL()
    {
        var requestUrl = new EthCallUnityRequest(_url);
        var callInput  = m_nameContract.Create_Call_Input();

        yield return(requestUrl.SendRequest(callInput, Nethereum.RPC.Eth.DTOs.BlockParameter.CreateLatest()));

        // Now we check if the request has an exception
        if (requestUrl.Exception == null)
        {
            int result = m_nameContract.Get_Result(requestUrl.Result);

            Debug.Log(result);
        }
        else
        {
            // If there was an error we just throw an exception.
            throw new InvalidOperationException("Get contract test request failed");
        }
    }