{
  id: 'any id',
  name: 'push',
  type: 'push',
  url: <push server url>,
  config: {
    'android': {
        'variantId': <id of the variant>,
        'variantSecret': <secret>
     },
    'ios': {
        'variantId': <id of the variant>,
        'variantSecret': <secret>
     },
  }
}