curl --request GET \
  --url https://api.sandbox.isometric.com/registry/v0/retirements/{id} \
  --header 'Authorization: Bearer <token>' \
  --header 'x-client-secret: <x-client-secret>'

{
  "beneficiary": {
    "domain": "isometric.com",
    "id": "org_1GB56M1ST1S0GVNA",
    "name": "<string>"
  },
  "credit_batch_size_total": {
    "credit_kgs": 123,
    "credits": 123
  },
  "id": "ret_1FYBH4QDT1S0SVKF",
  "notes": "<string>",
  "owner": {
    "domain": "isometric.com",
    "id": "org_1GB56M1ST1S0GVNA",
    "name": "<string>"
  },
  "purposes": [],
  "retired_at": "2023-11-07T05:31:56Z",
  "url": "<string>"
}