Transaction not yet indexed

21mkogWGeRu6rMNH8CZ7DCpZTKoqJjuWXe7sSKnzwkyX8FoGdivZHBXiSqvKFENvxm4VC6zqhtMUkka37GEuUex8

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