Transaction not yet indexed

66TffnXaDLLyWLTnMJYDnmfuvAq2ArgcgVdsSmcx8hEdbi4RXug2j8SNcW7Gjf14tPyWk7CSbFH7vtnVe59vYCDP

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