Transaction not yet indexed

51aUhCAY65dxEee5JEmBKA7QZBa2SZPuQmxi3mfN83He9e1UNcyFyd2kMUC6VkyQ3xec1mJhLNrLofP2JqCC5P2E

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