curl --request GET \
  --url http://localhost:8080/sponsors/{sponsor_id}

{
  "created_at": "<string>",
  "id": "<string>",
  "last_modified_at": "<string>",
  "name": "<string>",
  "slug": "<string>",
  "sponsor_details": {
    "first_name": "<string>",
    "email": "<string>",
    "last_name": "<string>",
    "phone": "<string>"
  },
  "address": {
    "city": "Bengaluru",
    "country": "IN",
    "line1": "123, MG Road",
    "line2": "Flat 4B, Sunrise Apartments",
    "pincode": "560001",
    "state": "Karnataka"
  },
  "pan": "<string>"
}