Transaction not yet indexed

668tmrjiNR9cppuGFJYHCg2ctncM3qTdUVyvsDGQ4fos6nuBjZLwWEsj7deFL81NnhphYA3HJD2fS21T1AUy8jZd

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