Pebb Capital bought the Uno South Pointe office building in Miami Beach for over $70 million, The Real Deal has learned.   The deal is another sign that investors and developers are banking on South Beach’s metamorphosis as a serious office market.  Boca Raton-based Pebb Capital, through an affiliate, bought the building at 119 Washington Avenue, borrowing $69 million for the deal from AOC II Mortgage, which ties to New York-based ACORE Capital, according to records.  The exact value of the purchase is unknown, as no deed was recorded.  Pebb Capital didn’t immediately return a request for comment. The firm is […] This article originally appeared on The Real Deal. Click here to read the full story.