Transaction not yet indexed

y21DsxoKnAvsPb7LajdkE9wXC5TQw4WPp6CBo1vYFHyBjUUiMScd8fmYt5k4MwvJ4H2e5zVqCSSAAGASSCnWF1K

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