Transaction not yet indexed

668bYmkUAUmYg3jfDesStB8qXWEqPtrcFiLEbB5PMdAfGiyZSM2suVX5RKLhDZZ3Uuj2uFMwXy7NRyom59KFheeE

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