Transaction not yet indexed

21PoC4kqCouRdxz57aHnUMLT4J8XDyoH9dc8UXAn1NEwkymbcXXtsuwC8iJn2t3di9sueLXtd4kcSbPgNAJ2HoMW

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