{"chains":[{"chain":"Bitcoin","endBlock":"886534","preEndBlock":"886534","startBlock":"886523"},{"chain":"MVC","endBlock":"111543","preEndBlock":"111543","startBlock":"111531"}],"header":"54588d4e2db56a9ba1c643483b5722a15caf58f4f2bf4acb8b958a5ff96c2fcb","metaRollupHeight":69,"preHeader":"bf639339c4ad66a59488682b963dc9ed5bf6d2af92aae0882423ef444262c757"}