Transaction not yet indexed

21TkNetiPcdGoGK3mmnXMVwpbDgdKk6Db9PuJrYriuyVTicqMGjKBhLxjLiMPrAVZE2ccRKJkURCjprb4KjPS5Xk

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