Transaction not yet indexed

21nk1MErkgnaCmtcVFMvGRaGeTbPwCSR4mAr2gfmvhX1dLfk5yDcUyQ2VNRyAWdfbXURBV1ACfQwvgFHD9UGMPzW

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