Following are a number of back-translations as well as a sample translation for translators of Isaiah 52:6:

• Kupsabiny: “So, days are coming when
  my people shall know my name.
  They shall know that I am God
  who speaks to them.’” (Source: Kupsabiny Back Translation)
• Newari: “So my people will recognize my name.
  In this way on that day they will recognize that I am the one who speaks to them.
  Yes, I indeed am he."” (Source: Newari Back Translation)
• Hiligaynon: “But time will-come that you (plur.) will-know who really am I, for I myself speaking to you (plur.). Yes, I [intensifier] myself.’” (Source: Hiligaynon Back Translation)
• English: “But my people will then have a close relationship with me,
  and when that happens, they will know that I am the one who predicted/promised that it would happen.
  It is I, Yahweh, who will do it.’” (Source: Translation for Translators)