Transaction not yet indexed

5b1SB3ZzfshxfMY3acpWVp6xdRmtc1mYqgDZ2QDbdE9bFyiFrfhcazaj4v9p6uSEHbD4deg8U2gUsKBQMLL5rdo8

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