Transaction not yet indexed

668eHAk3AThhPFfy3ACWsPwYDfPRTSwDSK2TucV9mrcq9QvAs2EHZTBmWuBtpbmtY9DuyPS5cAPF878rVnQ6nwww

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