private async Task SubscribeToDeviceEventAsync(InstalledAppInstance installedApp,
dynamic deviceConfig)
{
_ = installedApp ??
throw new ArgumentNullException(nameof(installedApp));
_ = deviceConfig ??
throw new ArgumentNullException(nameof(deviceConfig));
var resp = await SmartThingsAPIHelper.SubscribeToDeviceEventAsync(
installedApp,
deviceConfig);
var body = await resp.Content.ReadAsStringAsync();
dynamic subscriptionResp = JObject.Parse(body);
_ = subscriptionResp.id ??
throw new InvalidOperationException("subscriptionResp.id is null!");
}