Transaction not yet indexed

21sTkDY4n2vmf4E5vqJVCa6KcB7XGLgPx4KZFD8qZ2VAFAtxS48LvCVYS8uFWJXpzdTMUcHdc1AFGXUX3eG6xFej

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