Transaction not yet indexed

644hY6yT1vgxVYdqaNBhbxUu8nCHKHevJSb8SurUbP1uHTowrTeyZCyFuU1zk5XGdW8UPqm2JCaA8RzXcrUfHHh

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