Transaction not yet indexed

21c8fXuGJ3AQUgjsR4ijJY15h62fgpGZrLKvVXDgZvgi2MMTL1m4PUpGuC9aPBYQW2xyPJxXvq1XGEji7yVGNCpc

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