Transaction not yet indexed

Lkko5CiPmoyF6esdAvg5jSgz1Vi6DGt12U7gbzByWoHBeqPfjxAXkVSyiUh5me3e4EvZB7Z44U5q1xGaRSG8ZLN

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