Transaction not yet indexed

ME1gEFY6hrUR4GxWxdTjz2nByZJ5tipkiPKjPFHArkJMmaFaUsK7kyf6S3vUtNrziRGaoB4YJcZUyaJbqWS6Ufb

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