[
  {
    "type": "leanBodyMass",
    "sourceName": "Keep",
    "startDate": "2026-06-29T23:52:19Z",
    "unit": "kg",
    "value": 55.7752,
    "id": "F660F3C9-B5CA-4053-8628-06443127CE13",
    "endDate": "2026-06-29T23:52:19Z"
  }
]