Transaction not yet indexed

Cuc5AhCSQEEkYJ4JQvueepRSh7BNG9wb3siRCnEZaVBfM1sQEnTyMg8Geqxc9kQbej9QAqq1bd2cQpqBcdaF1M7

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