Transaction not yet indexed

21Y6kC5E5sKKrPRPCaRowREka4aKrVGbShR4cZoNJm76z8brLHdmuSpDM4jpEeP7sb1yBKewET37e7fG4MGm3j68

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