Transaction not yet indexed

621DuHPvFr974BqPyCFqkgebgrPBcGjqBqkPXNGMsyoUNY6BdFhLRYtmPhH3MrEkWw2r2bEBxNGX8WLPiWWpzLCZ

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