Transaction not yet indexed

UC1mdf8QgiZTdmzdcRYdzdAcqUW1MiZfUpr36fPjhrPZkuXM8zBxqd7JpW1cCC4pWRK5fVHuim2CddPwJBnSRe7

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