Transaction not yet indexed

21RkbZgQPKFrjXMoiivqe9fz6KPfUJh9WvutsX1vPSDBQkStFbLe8iVDMmpFV26tQqcmLvNQpNWpt9isjQ2upVKF

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