prepareGaslessRequest

function prepareGaslessRequest(
  tx: Transaction<
    Omit<TransactionResultWithMetadata<unknown>, "data">
  >,
): Promise<
  | {
      body: string;
      headers: { "Content-Type": string; "x-api-key": string };
      method: string;
      url: string;
    }
  | { body: string; method: string; url: string }
>;