Transaction not yet indexed

1ExK88soPtae3sNLn1ozjSk4t4ytWGoYff8jEE31qWW8KtKdZBxP4FMuLPfxS9SrHbEXh9hgE29zQRJhN885SuC

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