Transaction not yet indexed

66XLM18MSpVPLqPq8AH7FwUmcT5bYnkdKPUc29G5mzNEXjkUxXMEoq6Qw5PTVDnqyRoW2hszVCa5Q6tRsZxEJQNt

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