Transaction not yet indexed

wkmPo28F3ULxxK47gTTfq1VcECPbsFX6sHn8mfPzu5Zko1N7Pt2yK1d5sNJyUpb91UdqrZC3XXHEzQC2fTSLMsQ

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