Transaction not yet indexed

421LfzMQSPRViGUYk9dC8eEMMajXdWsdQEkXGbQ9MEM4XAGZXEQeybujXpHXiFTUtfdnVc1npiT6C6SnX6tpU5vq

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