Transaction not yet indexed

668shMXt7h4ZA5Wn9aRy7JukfYy4R97fqpq1gcwhQgquohtLD84sXWJZ9cbKCP5yQpYpwp5zgDe3tMVzuvUqJm5k

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