Transaction not yet indexed

CU3Aj7Lnzq7jDuJp3KoYGb69wNZVjzenYUQyPDCDam9Qb7k5MB4ZV6PgAmN3Ud5275SHy8WtvYzUG99CRAdnp18

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