Transaction not yet indexed

21Hk4Ykem7DQ8zbbVPDdixib7x6xg5m2VHAUGBMrPfr3DhUDVWqaVvjf8vLLEktKRqp6aETPh1xKfJXnc2ZuLuST

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