Transaction not yet indexed

668zJfi5ARMxydjhbcwJXQmwTauk8aTrTwJ8W48UtFKvW8a7BSqNWLrFZPiKV9de5hqTmT5KmyD25DaHvHTErkN4

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