Transaction not yet indexed

pkkUmxNaQBqcPeEd23jASDSt9t8mFcMUucJh9azfaKkAMTAYUnFgKhyK6jHVaHitdnbsCSsS4TYAnk9d9aV5Yam

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