Function isSingleSenderSignature

isSingleSenderSignature(signature): signature is TransactionSingleSenderSignature
Determine if the provided signature is of type "single_sender".
Parameters
- signature: TransactionSignature
  The transaction signature to check.
Returns signature is TransactionSingleSenderSignature
A boolean indicating whether the signature is a single-sender signature.
- Defined in src/types/types.ts:1195