Transaction not yet indexed

21ru853nXUqadQudq8q9ynF3MjWJbuyezoHhFXxqYqsr4HbBvbzVRu2RKUV5CEZVvfzJXH8JZxyiyeUzX1XeirH8

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