Transaction not yet indexed

DD6uSqbrNMkDxJ3RDbRsq7oPE7pgUhUvZdAVRrvP9Wv9wJmvYst4Sdm9ByYN64LcWGbVBNwUP6bzFDhEpM6EXCv

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