Transaction not yet indexed

666UX321ReyQyqnJ1VqJV3eiDyEGc9JL2j6kcm7ra4npoHykRF6ynnn3FSPm6xS1XtR9NZ7bCeLrys57Lko4TC28

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