Transaction not yet indexed

668LoHdBqBExm9X19UkbRjP4HgXzWQB3bE6dgBU3dpwHPcQbarPfcji14atcLQiHt9yUkTmv9BUzPeQ6FKzNzgd5

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