Transaction not yet indexed

ykMEM7EPrwiyDEjDGoPceKpYVfs2Pi2XMZmMQLCcyD18duzLCeXh4Ac9VsbgPhp5aZFMz3fNq5Tz3pA6fzQkqx7

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