Transaction not yet indexed

4couaKZUsJaCBMNBMPHrMSQgB3gimrB668vCbWSsUBmHqWh4FPwxZiAm5dEhpF8BpsVqeSo8YgtdJCSG1aEZMiWn

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