json_schema: {
      "additionalProperties": false,
      "description": "Schema for an app state transition event",
      "properties": {
          "attributes": {},
          "isFirstRun": {
              "type": "boolean"
          },
          "isUpgrade": {
              "type": "boolean"
          },
          "jsonPayload": {
              "type": "string"
          },
          "launchParams": {
              "type": "string"
          },
          "launchReferral": {
              "type": "string"
          },
          "referralApplication": {
              "type": "string"
          },
          "successfullyClosed": {
              "type": "boolean"
          },
          "transitionType": {
              "type": "string"
          }
      },
      "required": [
          "transitionType"
      ],
      "self": {
          "format": "jsonschema",
          "name": "appstatetransition_event",
          "vendor": "com.mparticle.snowplow",
          "version": "1-0-0"
      },
      "type": "object"
  }