async def delete_subnet(ns={}):
    import aiohttp
    NETWORK_URL = 'http://cdsapi.capitalonline.net/vpc'
    action = 'DeleteSubnet'
    method = "POST"
    param = {}
    url = get_signature(action, method, NETWORK_URL, param=param)
    body = {
        "SubnetId": ns.get('SubnetId')
    }
    async with aiohttp.ClientSession() as session:
        async with session.request(method, url, json=body) as response:
            resp = await response.text()
            result = json.loads(resp)
            if result['Code'] == 'Success':
                result['status'] = True
                result.pop('Code')
                result['data'] = result.pop('Data')
                result['msg'] = result.pop('Message')
            else:
                result['status'] = False
                result['msg'] = result.pop('Message')
            return result

ret = await delete_subnet(params_kw)
return ret