A woman walks past JPMorgan Chase & Co’s international headquarters on Park Avenue in New York. Andrew Burton | Reuters JPMorgan Chase’s new healthcare unit has made its first investment, CNBC has learned exclusively. The bank has agreed to invest $50 million in Vera Whole Health, a Seattle-based start-up that is pioneering a new, subscription-type model for employee healthcare. Further, through the bank’s Morgan Health unit — a new business unveiled in May after a joint venture with Amazon and Berkshire Hathaway folded — JPMorgan will begin offering Vera’s services to its employees during benefits enrollment season this fall, the companies said. Vera, founded in 2008, aims to improve outcomes…