Transaction not yet indexed

21n56bDmCEiqpxxpQWTDGzYDw76P7fbcst7WogF59GCraG4Sxh41UshDvuYUJiR6pC5CAxDECZQv3E5GxA821TYb

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