Transaction not yet indexed

21d5aTLsfrNfWGuJKk5uDPawqkoZCGqRLRaDFC5jXTqyrb42bhaSigHu5MBnjerYYr8KiBKrf3EwXfdRkTKM8BcP

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