Transaction not yet indexed

666EkwV3nHpTAcm39itzQPqHotKuxbLc6cKZNj8EPJ42y4w3jKLe2coKsg7SL3Gin2yYXxh6Du4tF5EPk5v9yaa4

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