Transaction not yet indexed

66v4uMUMC8m7y6dM96sqaPXcxhqpi1kvXCbUy7A1MWMuurPAQKUQReyFRNpub7SAKvtkNoNaPqR7uQzqK7TYX6JT

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