Transaction not yet indexed

668F3jMFGQG86MLs2kBrpWrRFmgPadTGHXdtHrkgZw3k1ZauKfLY1q69bqVCipkYkSq1e4GwamjsGCVfeSbHrixb

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