Changes to Execute withdrawal

added the optional property message/network_fee_asset to the response with the 200 status

added the optional property message/network_fee_native_amount to the response with the 200 status

added the optional property message/network_fee_notional_currency to the response with the 200 status

added the optional property message/withdrawal_fee_asset to the response with the 200 status

added the optional property message/withdrawal_fee_notional to the response with the 200 status

added the optional property message/withdrawal_fee_notional_currency to the response with the 200 status