Transaction not yet indexed

MEfCKEz4ARYGCmuxTrBQLgmcAFo7aGKjYBmwHYnTDRJEqTPAJb4c6rHAXob8qAQBfii68GfeULDz6m97MLDKSK6

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