Transaction not yet indexed

66ufCvk1MUrZaVTcxzt8TBnmiiwQk9w2fmc7cFh4PrUq51CbXLuWNbmnrAQsqLdYNR5TDBHYnjqcqHjUyPNXFhD2

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