interface SignerOptionsimport { type SignerOptions } from "https://dotland.deno.dev/x/polkadot@0.2.45/api/submittable/types.ts"; PropertiesblockHash: Uint8Array | stringoptionalera: IExtrinsicEra | numbernonce: AnyNumber | Codecoptionalsigner: Signeroptionaltip: AnyNumberoptionalassetId: AnyNumber | object