{"version":"1.0","type":"rich","provider_name":"Acast","provider_url":"https://acast.com","height":250,"width":700,"html":"<iframe src=\"https://embed.acast.com/$/3e6a9934-2de3-4b9f-8915-1d2bfd26ec57/74f40cf1-995f-42b2-a64f-55211e650754?\" frameBorder=\"0\" width=\"700\" height=\"250\"></iframe>","title":"1.12 The Mercian Supremacy","thumbnail_width":200,"thumbnail_height":200,"thumbnail_url":"https://open-images.acast.com/shows/611e6ecc06c05e2694f408d4/611e6ee6f07c86001342cebc.png?height=200","description":"After Wulfhere, Aethelred and Aethelbald laid the foundations, a prince from the Hwicce, Offa, took Mercia to its greatest achievements.","author_name":"David Crowther"}