Transaction not yet indexed

4q21JvvM5BgkTxf4C95rQiSisbKTnRfrupQD76C4fLmUDdPd53xVUuFPVWhnbX9VPRVt3XWfWvSc8LtDAYZiJsj9

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.