Transaction not yet indexed

Sm1kqE74fLStLgFfKhDFqEVuLWzukTGEp7Uoq76jmGJPrnqNm9jRCjj2RMhDcAJs6e7L1ffybiUmJoLPQuH6eN6

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