{
  "meta": {
    "subject": "Roblox group 786284869",
    "retrieved": "2026-10-19T17:39:37.841Z",
    "licence": "Measured by roregister.com from public Roblox APIs. Free to reuse with attribution to roregister.com. Not affiliated with Roblox Corporation.",
    "notes": {
      "member_history": "insert-on-change; a point exists only where the value differed from the prior reading.",
      "detection_dates": "ownership/name changes are dated when this register observed them, not when they happened."
    }
  },
  "group": {
    "id": 786284869,
    "name": "Jinjin Baseball League KOREA | JBL KOREA",
    "created": "2026-02-12T17:43:16.872Z",
    "owner_user_id": 302887313,
    "member_count": 387,
    "has_verified_badge": false,
    "is_locked": false,
    "status": "live",
    "first_measured": "2026-08-10T12:13:41.062Z",
    "last_measured": "2026-10-19T16:40:04.071Z"
  },
  "member_history": [
    {
      "measured_at": "2026-08-10T12:13:41.062Z",
      "member_count": 376
    },
    {
      "measured_at": "2026-08-11T04:11:03.778Z",
      "member_count": 376
    },
    {
      "measured_at": "2026-08-11T18:14:35.742Z",
      "member_count": 377
    },
    {
      "measured_at": "2026-08-12T07:42:14.741Z",
      "member_count": 376
    },
    {
      "measured_at": "2026-08-15T06:20:53.096Z",
      "member_count": 377
    },
    {
      "measured_at": "2026-08-16T08:02:04.383Z",
      "member_count": 378
    },
    {
      "measured_at": "2026-08-19T10:00:13.220Z",
      "member_count": 377
    },
    {
      "measured_at": "2026-08-22T06:40:21.696Z",
      "member_count": 378
    },
    {
      "measured_at": "2026-08-22T08:31:41.844Z",
      "member_count": 379
    },
    {
      "measured_at": "2026-08-22T11:37:28.888Z",
      "member_count": 381
    },
    {
      "measured_at": "2026-08-23T07:22:12.446Z",
      "member_count": 382
    },
    {
      "measured_at": "2026-08-24T08:11:34.949Z",
      "member_count": 381
    },
    {
      "measured_at": "2026-08-27T10:40:28.837Z",
      "member_count": 382
    },
    {
      "measured_at": "2026-08-28T13:21:04.732Z",
      "member_count": 381
    },
    {
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      "member_count": 382
    },
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      "member_count": 383
    },
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      "measured_at": "2026-09-05T07:40:04.803Z",
      "member_count": 384
    },
    {
      "measured_at": "2026-09-14T03:41:55.896Z",
      "member_count": 383
    },
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      "member_count": 384
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      "member_count": 385
    },
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      "member_count": 386
    },
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    },
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      "member_count": 389
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    {
      "measured_at": "2026-09-19T13:31:04.480Z",
      "member_count": 388
    },
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      "measured_at": "2026-09-21T18:51:27.457Z",
      "member_count": 387
    },
    {
      "measured_at": "2026-09-24T11:52:17.862Z",
      "member_count": 388
    },
    {
      "measured_at": "2026-09-25T08:50:34.840Z",
      "member_count": 387
    },
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      "measured_at": "2026-09-26T13:21:22.718Z",
      "member_count": 386
    },
    {
      "measured_at": "2026-09-26T17:10:39.605Z",
      "member_count": 385
    },
    {
      "measured_at": "2026-10-03T05:40:18.092Z",
      "member_count": 386
    },
    {
      "measured_at": "2026-10-03T11:20:55.800Z",
      "member_count": 385
    },
    {
      "measured_at": "2026-10-07T10:42:03.953Z",
      "member_count": 384
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      "member_count": 385
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      "member_count": 386
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      "member_count": 385
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      "measured_at": "2026-10-18T06:11:59.463Z",
      "member_count": 386
    },
    {
      "measured_at": "2026-10-18T21:31:21.308Z",
      "member_count": 387
    }
  ],
  "name_history": [
    {
      "name": "Jinjin Baseball League KOREA | JBL KOREA",
      "first_seen": "2026-08-10T12:13:41.062Z",
      "last_seen": "2026-10-19T16:40:04.071Z",
      "current": true
    }
  ],
  "ownership_events": [
    {
      "observed_at": "2026-08-11T04:11:03.778Z",
      "previous_owner": null,
      "new_owner": 302887313
    }
  ]
}