Transaction not yet indexed

21u6HFSThrzVfAETPyAP9GPkXXCpzPyG8Pz1FxhHUhVsPjUZ5ZDGkrrZfRKUMuKu5x5GchtyQxAX5SEEUNq7y4SF

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