Transaction not yet indexed

21U6YAYouo6LikxuL2E79TzFWMP6bQoR3k3q4fcpN8H1YJe1YFToW6ihTmdHSxU5dAT74ZFcwYh3zfZ5EpeoHKDA

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