Transaction not yet indexed

21CubBN168bDVoYDLALgp2VAtbtUTJ3QC4Nj8ZzVngJTEQczGKrm6MpG16nuNsMmoAkrxq8LLdbdK1EDrsYCyr2W

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