Transaction not yet indexed

21mVBkEvrkGzMouAP9c4KhtjhvAgqL63E9EECKjxS6m4TCDK6ePMdSakK7cFxGp1jrRdzxWK1YEMXGt5To5UUcFE

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