Transaction not yet indexed

5SMMtkx9upb4KaBp5B3DNq6CPPTpthbbbkSY5hu6jjH7iQ2bfurVws62GE4qCyxRGVqJwvMWdKYwaTJ3K8tfU6Em

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