Transaction not yet indexed

Me9pjPYpAAVBadMkNfZJ7x5zfP5NnCEhuhJpUGr87dKq1g1iSvYsPc1kJ6y3DDpRGSgMxDNtow9uxKZQQiYzLfE

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