Transaction not yet indexed

ackk9mcYTKQGrs3PGakSD1NXZZz8mv2y7kPvBE1eute2pubDLPAt2dWLhnQuM1PpnNNt2cTZnVAvtxHqcGCKeUV

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