Transaction not yet indexed

421FSXvEtMSvCD1tadiepgCw9C3wjyCXUp6jkxorxzYBAaPM5JfAhMUrSRbAmSLLYDtEBz8b2AXzidUXD8kPzPgn

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