Test

{"ad_unit_id":"App_Resource_Leaderboard","width":728,"height":90,"rtype":"FlashCardDeck","rmode":"canonical","placement":1,"sizes":"[[[1200, 0], [[728, 90]]], [[0, 0], [[468, 60], [234, 60], [336, 280], [300, 250]]]]","custom":[{"key":"env","value":"production"},{"key":"rtype","value":"FlashCardDeck"},{"key":"rmode","value":"canonical"},{"key":"placement","value":1},{"key":"uauth","value":"f"},{"key":"ulang","value":"en_us"}]}