Transaction not yet indexed

21UnJT868FkargtFxMDnEUutdNFi8uAm31LJvceqdwLySpEBYpjnLNYKteev4RFUrnsWtLZQKamiKUyRN5FLzgn5

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