curl --request PATCH \
  --url https://api.example.com/v1/cases/{case_id}/financial-accounts/{account_id} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "institution_name": "<string>",
  "account_number": "<string>",
  "balance": 123,
  "details": "<string>",
  "user_notes": "<string>"
}
'

{
  "data": {
    "id": "01K5XA09BJ4T11HRYE78AN7ABC",
    "type": "bank_account",
    "institution_name": "Chase Bank",
    "account_number": "***1234",
    "balance": 15230.5,
    "details": "Joint checking account",
    "user_notes": "Need to contact branch for paperwork",
    "created_at": "2023-11-07T05:31:56Z",
    "updated_at": "2023-11-07T05:31:56Z"
  }
}