Transaction not yet indexed

21UsBYLrxYGXXAnDrFzoqg1EdCEzuGaCtSsyAE896thcukoBWoCMEsvXDLdT7aYrN8CLu5QrfhfvaGa7d7B2Wcfp

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