Transaction not yet indexed

21D6HaVwNCBCMQwsHc8oe7e5mMbw5eAGs8mYiPT2JCsnKfuwbuHV8FQhBdC6G3fiqR4MhFvDf7tJDbg3LLBqV6VX

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