curl --request GET \
  --url https://api.example.com/api/Placements/{placementId}/Messages

[
  {
    "activityID": 123,
    "attachments": 123,
    "subject": "<string>",
    "from": "<string>",
    "to": "<string>",
    "activityDate": "2023-11-07T05:31:56Z",
    "entityId": 123,
    "typeID": 123,
    "type": "<string>",
    "assignedToName": "<string>"
  }
]