Transaction not yet indexed

Me8EkDsdqU2AxKeQNAWc4QWGt4HEBbR6W7S4dUT9HLDMHgNQGSosb4JXBsg15BZ7EFp8hTUP4vU82pPqpDSwrDm

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