import { GenericExtrinsicV4 } from "https://deno.land/x/polkadot@0.2.30/types/extrinsic/v4/Extrinsic.ts";
Parameters
account: IKeyringPair
options: SignatureOptions
x/polkadot/types/extrinsic/v4/Extrinsic.ts>GenericExtrinsicV4#sign
import { GenericExtrinsicV4 } from "https://deno.land/x/polkadot@0.2.30/types/extrinsic/v4/Extrinsic.ts";