Transaction not yet indexed

yKLnUMcPjjvakSqp9Wki94yfVkYwuQNzdFQJTq8B1ePStqsimxTG2EUs3Kx3irb5HeVgSkEPNh2j6ihV9Yw3Yf8

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