Transaction not yet indexed

421QRKCpESVaVzKVAMBPpGfSwtFuYq7vA2YzJpUvDuxjT7wSoBZpTkas9SpX6Y5nXyhaZBGPoMUMqLhhe6jcJRNK

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