Transaction not yet indexed

SHtU31idjVwDaH9xNBGv11epSN9iuVXJuSiFodUTS2NWNvuBd6Mu3njtYoxzJMtdDVRbcbW83wKBZqimSf8sqY2

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