{
  "notifications": [
    {
      "tokens": ["token_a", "token_b"],
      "platform": 1,
      "message": "Hello World iOS!",
      "title": "Gorush with iOS"
    },
    {
      "tokens": ["token_a", "token_b"],
      "platform": 2,
      "message": "Hello World Android!",
      "title": "Gorush with Android"
    },
    {
      "tokens": ["token_a", "token_b"],
      "platform": 3,
      "message": "Hello World Huawei!",
      "title": "Gorush with HMS"
    }
  ]
}