GET/v1/casts/123..Headers{"Authorization": "Basic 5LQWBmQ1...FQD"}Response{"data": {"_id":"123...","title":"New feature","body":"We are releasing super cool feature at 1PM CET","icon":"https://solflare.com/assets/logo-128.png","image":null,"publicKey":"GC5F...k6gZ","platform":"all","topic":"general","actionUrl":null }}