Transaction not yet indexed

WfLNkv9Nxi2XUqCCcyRZqqhbV74atQgxCmQ7sdbfYBkn3iH6TaKySVUTJXAdZ6S1fMhvZP7gGLGkra59ymb1Bm2

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