Transaction not yet indexed

u66MYP8jgSJfqiAe4PjJrEawiLBnFENFNJ4kRT5PZnNFAqotiBkaVTfzW2sjxsPnJRShWYTmdpreAwKvUYN6k2G

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