import { rpcProvider } from "https://dotland.deno.dev/x/polkadot@0.2.45/mod.ts";
const { HttpProvider } = rpcProvider;
x/polkadot/mod.ts>rpcProvider.HttpProvider#subscribe
import { rpcProvider } from "https://dotland.deno.dev/x/polkadot@0.2.45/mod.ts";
const { HttpProvider } = rpcProvider;