Transaction not yet indexed

21UmEzNJ5vqUQammPosS9x6pro1UXppJKnnsuRZBcxnK8mqCFEpGbcdTaNWgFNG5EtVQjCwda7L1dNWS4FGkyJyZ

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