import { bodyFromUrl } from "https://deno.land/x/blocks@1.59.3/utils/http.ts";
Parses the specified @param param from querystring of the given @param url.
if the parameter is specified so the payload is parsed by decoding the parameter from base64 and parsing as a Json usin JSON.parse,
otherwise all query parameters are used to mount an object using the dot notation format (a.b=10 generates { a :{ b:10 }}).