Transaction not yet indexed

21Kf9mZ9nofSYcQNkhKAb1Sjp2yJmYEn1CmnfyBHcFfeansrUyW84Zo74V19CMFq2gCceAr45uevLkLrCCsSKUsE

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