curl --request GET \
  --url https://api.example.com/v1/cases/{case_id}/retirement-accounts/{account_id} \
  --header 'Authorization: Bearer <token>'

{
  "data": {
    "id": "01K9RA01AJ0T33HRYE78AN7RRR",
    "case_id": "<string>",
    "account_type": "401k",
    "custodian_name": "Fidelity Investments",
    "account_number": "***9012",
    "status": "active",
    "balance": 185000,
    "employer_name": "Acme Corporation",
    "beneficiaries": [
      {
        "name": "<string>",
        "relationship": "<string>",
        "percentage_share": 123,
        "designation": "primary"
      }
    ],
    "distribution_options": [
      "lump_sum"
    ],
    "rmd_required": true,
    "rmd_amount": 123,
    "tax_treatment": "pre_tax",
    "distribution_status": "not_started",
    "institution_contact_id": "<string>",
    "notes": "<string>",
    "created_at": "2023-11-07T05:31:56Z",
    "updated_at": "2023-11-07T05:31:56Z"
  }
}