Transaction not yet indexed

21FcBKV1hFUxVXavR12sbKpgMiBMMN48YT67yprQTH2eFQpUj2DEeb3WkD4JmMx5phqPKdH7y5ub8PpyCB3NgPnQ

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