Transaction not yet indexed

21XK6KJjsJ3qCCBJXibtAgMPGmGoZtCFNfpEkGViyPxTfMJ6cAzdUsrnXdQb9VYhPyLZELjzGqkLoP2VM2hMUKX2

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