Transaction not yet indexed

MEr9SwdhFZLab6ojeVXmnkjUCu1cvDKKW4VukEhPrAYX2eXWKv1RKrK1znWwf8nv57E1dzRrGFghKgrP3FSCYYS

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