Transaction not yet indexed

21Yk8MwnTRVaYSHnBQ1uLgFcszUT8mkY7Kj1zveKA8z7G1RJzr3iCPCXHH5kBTyTjSq6a2Gvuc419q6StcqNjKLR

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