Transaction not yet indexed

66U8YEfZ9MKNuoHwgWG5gS2DFSQtNaA2qBhZXShnpfDsLoXYyDHGiF3uK5swTCMu2WSAXwQHzc4Jd2GRXw7F1pUu

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