Transaction not yet indexed

AMdkUNJfDPTErMqyKGdRFm9QJMA79FG1NXpbPjGfyAAoCDiKH2AQaT13NxwXFadZPfXBP4fjsQWoJxoiyUzVN4F

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