Transaction not yet indexed

Et4nSNY123AXNktus5pLsXqKawCbTuGYQSGto4r6MWkZEQq5uY7cr4xqkMjmK6eM9xdy7HR9u9sbp5JkQbh2hnL

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