Contains the webview URL with appropriate theme parameters added
simpleWebViewResultUrl#882f76bb url:string = SimpleWebViewResult;
---functions---
messages.requestSimpleWebView#1a46500a flags:# from_switch_webview:flags.1?true from_side_menu:flags.2?true bot:InputUser url:flags.3?string start_param:flags.4?string theme_params:flags.0?DataJSON platform:string = SimpleWebViewResult;