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

{
  "data": {
    "id": "01K8EM06FJ5T22HRYE78AN7FFF",
    "institution_contact_id": "<string>",
    "to_addresses": [
      "estates@chase.com"
    ],
    "cc_addresses": [],
    "from_address": "cases@mail.example.com",
    "subject": "Estate of John J. Johnson - Death Certificate and Account Closure Request",
    "body_text": "<string>",
    "body_html": "<string>",
    "attachments": [
      {
        "id": "<string>",
        "file_name": "death_certificate.pdf",
        "file_size_bytes": 245000,
        "mime_type": "application/pdf",
        "document_id": "<string>"
      }
    ],
    "status": "delivered",
    "sent_at": "2023-11-07T05:31:56Z",
    "delivered_at": "2023-11-07T05:31:56Z",
    "opened_at": "2023-11-07T05:31:56Z",
    "bounce_reason": "<string>",
    "sent_by": "<string>",
    "receipt": {
      "message_id": "msg_01abc123def456",
      "provider": "sendgrid",
      "status": "accepted",
      "status_detail": "<string>",
      "timestamp": "2023-11-07T05:31:56Z"
    },
    "notes": "<string>",
    "created_at": "2023-11-07T05:31:56Z",
    "updated_at": "2023-11-07T05:31:56Z"
  }
}