Transaction not yet indexed

MKEEfZ74F4NdD9DFhUxMs6FVsiT95hWCxfq99N7QksXAKHJJVQJm772nS5HCNb4afwK3qvf5Cb1KHCvfYRm1AZ6

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