{
  "type"      : "object",
  "required"  : ["layer", "api_id"],
  "properties": {
    "invokeWithLayer": { "type": "number" },
    "layer"          : { "type": "number" },
    "initConnection" : { "type": "number" },
    "api_id"         : { "type": "number" },
    "device_model"   : { "type": "string" },
    "system_version" : { "type": "string" },
    "app_version"    : { "type": "string" },
    "lang_code"      : { "type": "string" }
  },
  "additionalProperties": false
}