Transaction not yet indexed

668VwR7GPDkGA6LsrnitrCMfgVCvzzKNDKHBTVTxKUtQTdqapioUcisoM73ujiCVFpNBqCZtJmDGG3eyJ7aqmqSa

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