{"version":"1.0","type":"link","title":"Keystone Pronto - Newikis","description":"The Keystone K-55 Pronto was a mail plane developed in the United States in the late 1920s.","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400,"thumbnail_url":"https://thumb.wikimedia.org/wikipedia/commons/thumb/1/1d/Keystone_Pronto_Aero_Digest_April_1928.jpg/1280px-Keystone_Pronto_Aero_Digest_April_1928.jpg","thumbnail_width":1280,"thumbnail_height":534}