Transaction not yet indexed

MEwSDA2zPLENb2yi95xvRBr7NHo9EJmLidQMh6QzdJSwwDfaGx6PyDmyG9ZqL6DTK5WBRjtN2mCGVnJx7SXMJv5

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