method types.GenericExtrinsicPayloadV4.prototype.signimport { types } from "https://dotland.deno.dev/x/polkadot@0.2.45/mod.ts"; const { GenericExtrinsicPayloadV4 } = types; sign(signerPair: IKeyringPair): Uint8ArrayParameterssignerPair: IKeyringPairReturnsUint8Array