Transaction not yet indexed

21sKKzTPbHWH1NEo7QUzfp2PSKk2Q3Mk6bfJjFjaQzsCqEmo2TBgtzxpd9asYN5JATPduPjeALb43kf4XidGFxeA

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