Transaction not yet indexed

EUCQnMHb167ARsqd4tZmQPo2G7Y4Yz8tG7DAyC6v1pB3ScoLpwfhoVjcSPtuYeq8aN4N34FCpdV1u46khqYMDN8

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