Transaction not yet indexed

1SMMTsCvibEBNetPnZvk3nSjaAxuKXeq8y9Kyi4QqUZAjSQQWTr2jNtHA8sEsE7WXn7RkZtsc2eiJBDc7TEA3hv

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