db.json

[
  {
    "id": 1,
    "firstName": "John",
    "lastName": "Smith",
    "projects": [
      {
        "id": 1,
        "name": "project1",
        "issues": [
          {
            "id": 1,
            "title": "error1"
          },
          {
            "id": 2,
            "title": "error2"
          }
        ]
      },
      {
        "id": 2,
        "name": "project2",
        "issues": [
          {
            "id": 3,
            "title": "error3"
          },
          {
            "id": 4,
            "title": "error4"
          }
        ]
      }
    ]
  },
  {
    "id": 2,
    "firstName": "Nursultan",
    "lastName": "Beknazarov",
    "projects": [
      {
        "id": 3,
        "name": "project3",
        "issues": [
          {
            "id": 5,
            "title": "error5"
          }
        ]
      }
    ]
  }
]