Transaction not yet indexed

Yb6uU4u8EF9ZVUwYFEQgcHQCwNhR3SRD9PZJkBAZw2Zh3Ab5Ya1HdposrYBXt1Br4CMELmZ9kFGAA11RDNQHoa1

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