Retrieve an event type

curl --request GET \
  --url https://app.gomangrove.com/api/v1/projects/{project_id}/event_types/{event_type_id} \
  --header 'Authorization: <api-key>'

{
  "id": 1,
  "slug": "feedstock-delivery",
  "name": "Feedstock Delivery",
  "created_at": "2025-02-03T14:19:11.787Z",
  "updated_at": "2025-02-03T14:19:11.787Z",
  "data_point_types": [
    {
      "slug": "feedstock-delivery-mass",
      "name": "Mass of Feedstock Delivery",
      "value_type": "number",
      "unit": "U.S. ton"
    }
  ],
  "requires_locations": true
}