Roboto Mono / 400
{
  "copyright": {
    "en": "Copyright 2015 The Roboto Mono Project Authors (https://github.com/googlefonts/robotomono)"
  },
  "licenseURL": {
    "en": "https://openfontlicense.org"
  }
}

Roboto Mono / 600
{
  "copyright": {
    "en": "Copyright 2015 The Roboto Mono Project Authors (https://github.com/googlefonts/robotomono)"
  },
  "licenseURL": {
    "en": "https://openfontlicense.org"
  }
}

Roboto Mono / 700
{
  "copyright": {
    "en": "Copyright 2015 The Roboto Mono Project Authors (https://github.com/googlefonts/robotomono)"
  },
  "licenseURL": {
    "en": "https://openfontlicense.org"
  }
}