Transaction not yet indexed

MkeEsMef4cSWSzFQBAXFYQkc2pcB9sZuzhwGbfbqJVnEKwGk4dBXajZqvHeq7WqQ4GECYJkUYxJLLhWJaPL579J

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