curl --request GET \
  --url https://api.egp.scale.com/v5/span-assessments/{span_assessment_id} \
  --header 'x-api-key: <api-key>'

{
  "object": "span.assessment",
  "comment": "<string>",
  "rating": 3,
  "approval": "approved",
  "rubric": {},
  "metadata": {},
  "overwrite": {},
  "assessment_id": "<string>",
  "trace_id": "<string>",
  "span_id": "<string>",
  "created_by": "<string>",
  "assessment_type": "comment",
  "account_id": "<string>",
  "created_at": "2023-11-07T05:31:56Z",
  "updated_at": "2023-11-07T05:31:56Z"
}