{"type":"rich","version":"1.0","provider_name":"Transistor","provider_url":"https://transistor.fm","author_name":"Stories of American Legends","title":"Henry Knox: How a Bookseller Saved Boston","html":"<iframe width=\"100%\" height=\"180\" frameborder=\"no\" scrolling=\"no\" seamless src=\"https://share.transistor.fm/e/e1f4ccfc\"></iframe>","width":"100%","height":180,"duration":755,"description":"George Washington has Boston under siege. But the British Navy keeps the harbor open. He needs heavy artillery to drive them out, but the guns are 300 miles away across frozen wilderness and impassable mountains. Henry Knox has the audacity to try to transport them.","thumbnail_url":"https://img.transistorcdn.com/AcLkBC6nJJ0DdmyBQmqnmwhwzUXACpD5TB5pPDUbmec/rs:fill:0:0:1/w:400/h:400/q:60/mb:500000/aHR0cHM6Ly9pbWct/dXBsb2FkLXByb2R1/Y3Rpb24udHJhbnNp/c3Rvci5mbS83ZGRj/YzViZDY2MTEyYzBi/NzkxMDI2ZWEyZTNk/NjEwMS5wbmc.webp","thumbnail_width":300,"thumbnail_height":300}