curl --request POST \
  --url https://api.scholarlysoftware.com/api/v1/profiles/{profile_id}/faculty_activities \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/vnd.api+json' \
  --data '{
  "data": {
    "type": "faculty_activity",
    "attributes": {
      "properties": {}
    },
    "relationships": {}
  }
}'

{
  "data": {
    "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "type": "faculty_activity",
    "attributes": {
      "key": "<string>",
      "external_id": "<string>",
      "start_date": "2023-12-25",
      "end_date": "2023-12-25",
      "properties": {}
    },
    "relationships": {
      "profile": {
        "links": {
          "related": "<string>"
        },
        "meta": {},
        "data": {
          "type": "profile",
          "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a"
        }
      }
    }
  }
}