Transaction not yet indexed

621NPbWCzTnPSFTJLyxdDPvoqBip9hk7omc4cja1rnwNGY2QtE57utKXAVuGxJLU3iRzWSCwqT4SiAFtmdW9YUtp

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