Retrieve Identifier Group

curl --request GET \
  --url https://api.flare.io/firework/v2/assets/groups/{assets_group_id} \
  --header 'Authorization: Bearer <token>'

{
  "assets_group": {
    "feed_id": 123,
    "feed_owner_id": 123,
    "id": 123,
    "name": "<string>",
    "tenant_id": 123,
    "urn": "<string>"
  }
}