Transaction not yet indexed

21UYkHLXyMQk1eAgYuxfBp7cxsfE3LiHprc5ip3wv1Wi7j5g47bfRS3mcpC3AwW4bZ2u84bFN1HF4BhrVgeE19n8

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