Transaction not yet indexed

DD6qUnhugTcKZv1xmssHraqknHTDfxA6mx2d2RXWCguMJG3zsGuW4sRYWE8tk3LqVyHdTi5MNzGrSuJP6rbphh8

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