[
  {
    "_dn_provenance": "SYNTHETIC",
    "appeal_id": 1,
    "case_number": "CAS000000004",
    "claim_ref": "BEN000000002",
    "grounds_text": "Grounds: decision letter received after the deadline.",
    "hearing_date": "2023-10-23",
    "lodged_on": "2023-07-25",
    "outcome": "DISMISSED"
  }
]