Transaction not yet indexed

3C99c1wr16e1EZMyBNvkqAjwrvCvCWB5qjiWh9iE8aP5rqDjwAbZcwG9wVQnGPM8iQknhRsxoLXw8A1dpMzLJCM1

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