Transaction not yet indexed

668QoMhCS7zhd4E2auqq3UwbQScGMeD4xEXGrgeZZysuj2Y4uundC2eCgrvW6jx63B4fSpsXvRarL7pVoBbMtmuU

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