Transaction not yet indexed

uUndSNMJ2qB1SaEBRMPDGqkJ2mzhdda9gacGwa1w2hFz9nhXmP7Vu6dwKifExSsh4QurTno25d9iNM17bQ93kFc

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