Transaction not yet indexed

21CSfDVCMbkbCEL73TntV9L1F49DmLdiG7bGdSVme9UsfnSZMVjKsUeg5kGavfEDHzqbbyye8Z7BoG42AU4TcMm1

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