{
  "$schema": "http://json-schema.org/draft-04/schema#",
  "type": "object",
  "properties": {
    "eventType": {
      "type": "string"
    },
    "payload": {
      "type": "object",
      "properties": {
        "sessionId": {
          "type": "string"
        },
        "user": {
          "type": "string"
        },
        "action": {
          "type": "string"
        },
        "tenant": {
          "type": "string"
        },
        "source": {
          "type": "array",
          "items": {
            "type": "object",
            "properties": {
              "http_headers": {
                "type": "array",
                "items": {
                  "type": "object",
                  "properties": {
                    "accept": {
                      "type": "string"
                    }
                  },
                  "required": [
                    "accept"
                  ]
                }
              }
            },
            "required": [
              "http_headers"
            ]
          }
        }
      },
      "required": [
        "sessionId",
        "user",
        "action",
        "tenant",
        "source"
      ]
    }
  },
  "required": [
    "eventType",
    "payload"
  ]
}