[
  {
    "chapter_id": "uuid_chapter_7_grade4",
    "lesson_number": 1,
    "lesson_title": "Lesson 1: Activities Vocabulary",
    "lesson_type": "json_content",
    "lesson_description": "Identify different activities and understand a short story",
    "lesson_content_type": "vocabulary",
    "content_json": {
      "type": "vocabulary",
      "learning_objectives": [
        "identify different activities",
        "understand a short story"
      ],
      "vocabulary": ["singing karaoke", "taking photos", "inviting friends", "having some fun"]
    }
  },
  {
    "chapter_id": "uuid_chapter_7_grade4",
    "lesson_number": 2,
    "lesson_title": "Lesson 2: Present Progressive Tense",
    "lesson_type": "json_content",
    "lesson_description": "Use present progressive tense in sentences",
    "lesson_content_type": "grammar",
    "content_json": {
      "type": "grammar",
      "learning_objectives": [
        "identify different activities",
        "use present progressive tense in sentences"
      ],
      "grammar": "I'm singing karaoke next week."
    }
  },
  {
    "chapter_id": "uuid_chapter_7_grade4",
    "lesson_number": 3,
    "lesson_title": "Lesson 3: Exam Preparation",
    "lesson_type": "json_content",
    "lesson_description": "Review different activities and things about birthdays",
    "lesson_content_type": "review",
    "content_json": {
      "type": "review",
      "learning_objectives": [
        "review different activities and things about birthdays",
        "find the correct answers"
      ]
    }
  }
]