Transaction not yet indexed

CU3LtpmiL3PA25vd6Z5Zac8qUetGkyAV88oZEL3e7mY67wsquqyzK9ucL1QxXEn9aRu9MHyEQcXNeJtfXmLRCxQ

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