Transaction not yet indexed

MK2Sab9A38gjSQtXSeAAnMR7FB5yKwYtrFCfAatei9fC2Gj67Xksm3zeMFc1vmFp8oXbbCDGt8yhSAvL72CUJr8

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