Transaction not yet indexed

66ff6tLCDqoApGptEX8jtrNDnByMmqQVxQfGdx7JzSPKsttMASGZ7eddEx4GUidnxJfffUH9ZPM1AwckSWX6UkqE

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