Transaction not yet indexed

ykFftcUPv5pdhhBxGa6x6gs3omBwJrRqfNNwfC58RBGtC88jy2JHUxx4cfqS2YmFFsFnURGepv5ETX4dPpUpHg8

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