Transaction not yet indexed

ykbAgS5yaj3qAfcztpYR8dCpuo2Xa8Dj9FfkoFUKBAkcyUGiuTaWf8Ax4PVDi3DaRTtAKcS6shAAgQU3TyUct6N

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