Transaction not yet indexed

mDFb9wRukYvqHnPq9fZyYvm4FM88i7cw5sBw53dUDm5TS83jEvxANtAdXUGDJQYBKaDRvQz4wFgPhVnc28bJnWs

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