json_schema: {
      "additionalProperties": false,
      "description": "Schema for a Mailchimp profile update event",
      "properties": {
          "data": {
              "additionalProperties": false,
              "properties": {
                  "email": {
                      "type": "string"
                  },
                  "email_type": {
                      "type": "string"
                  },
                  "id": {
                      "type": "string"
                  },
                  "ip_opt": {
                      "type": "string"
                  },
                  "list_id": {
                      "type": "string"
                  },
                  "merges": {
                      "additionalProperties": true,
                      "properties": {
                          "EMAIL": {
                              "type": [
                                  "string",
                                  "null"
                              ]
                          },
                          "FNAME": {
                              "type": [
                                  "string",
                                  "null"
                              ]
                          },
                          "INTERESTS": {
                              "type": [
                                  "string",
                                  "null"
                              ]
                          },
                          "LNAME": {
                              "type": [
                                  "string",
                                  "null"
                              ]
                          }
                      },
                      "type": "object"
                  },
                  "web_id": {
                      "type": "string"
                  }
              },
              "type": "object"
          },
          "fired_at": {
              "_format": "date-time",
              "type": "string"
          },
          "type": {
              "type": "string"
          }
      },
      "self": {
          "format": "jsonschema",
          "name": "profile_update",
          "vendor": "com.mailchimp",
          "version": "1-0-0"
      },
      "type": "object"
  }