Transaction not yet indexed

644d78Pwb2YBp8iutkvTP2zL9BCPtbc2SHTQpCvALjyXcCWzUHPEhD9LACmaDn8uoSx4eH9RRJDJEpWZao8KMkBM

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