Transaction not yet indexed

21Xf2tDqhzCW7aNwgzoFCzdVh58fVeW2G83Rj7ENtDfLwxgCSymjjhfsUKk2fcCLE7xNTgrqGppYXiR76GSAwBk5

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