Transaction not yet indexed

21UGYuQc3CaRAs9y3CiPRVaJSDiLJ4Sn8y321vKmJdtTSijh8zwec5HDnxXAQnc2PPsA9UZ3cYa7bEPbHqooxhd5

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