Transaction not yet indexed

21z38CFJLEfM9eU1tnLeayqTSz8pQv8Y5pxUa6GwjKTZDCL8N83Rxs3nKc5Wtmt8mubeAz6hsLVYbxvqCmoeW1by

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