Transaction not yet indexed

668BvHhM9KMva52nRZsjESc7Aqvs1yYGGKYXDeKM296wqJB5dQZyCW2AGcngi9n5wc5dTTMXP1TAUpcnYqagg7aD

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