Transaction not yet indexed

MEfvyWFJFhcQHLkfp5Un3Cne7sUGfEcQeECwCuvKdH9ZAxS5MrWwfyAQ2ebc4gnhfHVwPcUPyk4cfzLngCxy8HZ

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