Transaction not yet indexed

21mttVBr4xbXQs7by5epfq9i1K6PCt4FvsBZpCPfGnwGHTCbK72MQ7cGUPEKudfcbC2a4MKBEgzhTrGN8VM3AiWn

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