Transaction not yet indexed

21AddkkZWhy533gSBbuc3VtGMWqUPpGXXhHp5HDQKEDutirkCLLWCM3iaiDEFz9dmPmBBExUZUHBmo3tS5cFqUVY

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