Transaction not yet indexed

WUu6bTBiuggRPN2QZkRDnN6J8xQVVN6ZPQdQNdwLJdzL3dwQqpRH6Y3jYoRt7hisyTZaKF9wnpnzKAtsm6ozF62

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