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