Transaction not yet indexed

MFpkzSJhmUSM3gV39vwn8GDJPsQ7AGdZdJDxhRAFPVYBx1qtaF3xnrGtkM2Cy5ypJBKuv49buRGEEK5taqw3Tbz

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