void FeedReceivedCallback(string message)
 {
     Debug.Log("FeedReceivedCallback message: " + message);
       Feed feed = new Feed(message);
       Debug.Log("Feed received: " + feed);
       foreach (Card card in feed.Cards) {
     Debug.Log("Card: " + card);
       }
       feed.Cards[0].LogImpression();
       feed.Cards[0].LogClick();
 }
 void FeedReceivedCallback(string message)
 {
     Debug.Log("FeedReceivedCallback message: " + message);
       Feed feed = new Feed(message);
       Debug.Log("Feed received: " + feed);
       foreach (Card card in feed.Cards) {
     Debug.Log("Card: " + card);
       }
       // Here we are testing the Unity SDK by manually logging the first card's click and impression in the news feed.
       // We should only log the card's click and impression when the news feed isn't displayed by Appboy but in Unity.
       //feed.Cards[0].LogImpression();
       //feed.Cards[0].LogClick();
 }