import { GenericExtrinsicPayload } from "https://dotland.deno.dev/x/polkadot@0.2.24/types/mod.ts";
x/polkadot/types/mod.ts>GenericExtrinsicPayload#toJSON
import { GenericExtrinsicPayload } from "https://dotland.deno.dev/x/polkadot@0.2.24/types/mod.ts";