Transaction not yet indexed

21sfcEyyykSuDNP1BgcoTNWCdudFCg2Gq9EfWjJLBHsTZAyPE1zrKfGXKCbgT4kMSb6bDuWHGGvyznsPDLFshLeS

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