import { rpcProvider } from "https://dotland.deno.dev/x/polkadot@0.2.23/mod.ts";
const { ScProvider } = rpcProvider;
x/polkadot/mod.ts>rpcProvider.ScProvider#unsubscribe
import { rpcProvider } from "https://dotland.deno.dev/x/polkadot@0.2.23/mod.ts";
const { ScProvider } = rpcProvider;