Transaction not yet indexed

4C21pUtndkxPmPwCaznFiYoDMagCnjhihfTEoGi9eSiboPwNh89eftHS2A95waHEFJa2jHJm31gBGr7NZCGUT7s1

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