Transaction not yet indexed

421AfAsMMtb4SiaVMYY8LU3v2uUpgGoWSyAg73yvTmXG1QR1JRtw8iuat2ZA4sPaXWatZXMgfaVsoWkPnhcE4p8m

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