Transaction not yet indexed

UndUG2AxdXWsKMBdABGAzxTkgnGqJf8JecWbAAUTTQoeb12sAXbzSLMwyFgcWqUJYbkDvD5EeB3Gp6Fmt2Gx1AG

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