Transaction not yet indexed

21u6UBHY7ZVdY6pBZbJgPu5EduMhaVdMPnL3vAdW3Pq3GW88nEcxTFtX6FgjjYZcnzCh2dfuTGdD4Wdy5CsNDU1E

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