The Lightstone Group paid $60 million for a 12-story, 142,000-square-foot distressed office building at 130 William Street in Lower Manhattan, according to property records filed with the city Thursday. The property, located between John and Fulton Streets, is more than half vacant, according to CoStar, and could be ripe for a conversion to condominiums. Tenants include Duane Reade and insurance service provider Compass Rose Services. Triangle Assets owned the distressed prop