Transaction not yet indexed

668duQX7p5zmEa9Ax43etUUSnvTFPymuZ9gtUVqAYmc9qN6tWJneaaFNiF7pPy8kLputudFvWMHUg9LqafkupxXC

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