cdc.json

{
  "schema": { },
  "payload": {
      "source": {  
        "version": "2.2.1.Final",
        "connector": "mysql",
        "name": "mysql",
        ...
        "db": "inventory",
        "sequence": null,
        "table": "customers",
        ...
      },
      "databaseName": "inventory", 
      "schemaName": null,
      "ddl": "ALTER TABLE customers ADD middle_name varchar(255) AFTER first_name", 
      "tableChanges": [  
        {
          "type": "ALTER", 
          "id": "\"inventory\".\"customers\"", 
          "table": {    
            "defaultCharsetName": "utf8mb4",
            "primaryKeyColumnNames": [  
              "id"
            ],
            "columns": [  
              {
                "name": "id",
                "jdbcType": 4,
                "nativeType": null,
                "typeName": "INT",
                "typeExpression": "INT",
                "charsetName": null,
                "length": null,
                "scale": null,
                "position": 1,
                "optional": false,
                "autoIncremented": true,
                "generated": true
              }
          ]
        }
      }
    ]
  }
}