Transaction not yet indexed

621nuXcnZQyL7gikFhhuEmnBVwFexVKoMfMa4tWAPyWYM6snMQmtWPy2ra1e4zqV2H4bTYnhPGfG3J1WTcPeuKM1

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