Transaction not yet indexed

21UKDF3H5aEFLBDX6Q2gbPC2tUdY4QGBSbuEj898evXLrx3bVzQ3qS27tqX8vFgQCrABGmb4z6JJJSfUuDrzDqhc

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