Transaction not yet indexed

1isTA11nbEx2ozNLBs1PsAERJwD74zu3xEqy6Bg9ZRL3mFVpxYtTmwQoMYxL3ur7BjhPfu2KCkwkiJdh8ZASaAV

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