Read a consumer consent record by consent_id.

curl --request GET \
  --url https://api.example.com/consent/consumer/{consent_id}

{
  "consent_id": "<string>",
  "field_access_grants": [
    {
      "furnishing_entity_id": "<string>",
      "field_definitions": [],
      "effective_from": "<string>",
      "effective_to": "<string>"
    }
  ],
  "created_at": "<string>",
  "events": "<string>",
  "scope": "<string>"
}