Transaction not yet indexed

668UdevW3Z5t9uDCmjVajvNSMn41PFuJnbR4TyiG4Q7AijSLTNK2qzpVHKoak3KukgoSP6P8oWgpfk5JkeNEmcVo

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