Playfair Display / 400
{
  "copyright": {
    "en": "Copyright 2017 The Playfair Display Project Authors (https://github.com/clauseggers/Playfair-Display), with Reserved Font Name \"Playfair Display\"."
  },
  "licenseURL": {
    "en": "http://scripts.sil.org/OFL"
  }
}

Playfair Display / 600
{
  "copyright": {
    "en": "Copyright 2017 The Playfair Display Project Authors (https://github.com/clauseggers/Playfair-Display), with Reserved Font Name \"Playfair Display\"."
  },
  "licenseURL": {
    "en": "http://scripts.sil.org/OFL"
  }
}

Playfair Display / 700
{
  "copyright": {
    "en": "Copyright 2017 The Playfair Display Project Authors (https://github.com/clauseggers/Playfair-Display), with Reserved Font Name \"Playfair Display\"."
  },
  "licenseURL": {
    "en": "http://scripts.sil.org/OFL"
  }
}