Transaction not yet indexed

YFo4QHUYeyfTbA4QLxZnQmDdTXPMKUfCkhRkdzXstFWYr9RbbzE6STKq9D8gJ4mSUHRLNn1vaaVT3vMJTVSTcm1

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