Transaction not yet indexed

668YK2ePEdqVmgvbziYDfpmUWrVNwfNP6ChZ2eNGrk8vZqtvBq4BaUxWFMk28FKJRJP46rZdDFzTqhJHs6vnFBKf

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