Transaction not yet indexed

21B4zJXfSbsSSQrT286tJ5p2PzqAXHfyt4PC2AfpjdCLBuqMnUP3jPU37NWguZjMd2xDfKKBAmy6N6HsCufTWUDT

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