interface SignatureOptionsimport { type SignatureOptions } from "https://deno.land/x/polkadot@0.2.12/types/types/index.ts"; PropertiesblockHash: Uint8Array | stringoptionalera: IExtrinsicEragenesisHash: Uint8Array | stringnonce: AnyNumberruntimeVersion: IRuntimeVersionBaseoptionalsignedExtensions: string[]optionalsigner: Signeroptionaltip: AnyNumberoptionalassetId: AnyNumber