Transaction not yet indexed

5mamTkBa2oHvFDFJDvLcvZKc8o2HZcYAkPFJsStXJjadoLb8QKHaVWhJBrZXuQRBb9VtKGCqcWAh3jCeFRN6AUnq

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