Transaction not yet indexed

21ffPwgSDE67FstgaH3aFYDyPQMfZkDfFEH5NEZQRWdEukEhPyjuh24WhtgWPdPunyvEfCvWUvoFTwjPBi5DPjPu

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