Transaction not yet indexed

21MKY4Q21vggToJVW4U5H5pDKfbUCSSTpz7Si6CRaDkXyBmu8qZStW6QAxYkEVvb9dmKez4mLSG8i7D3kh5zaHmH

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