The Letter Object

{
    "id": 140754680348890,
    "send_to_contact": {"id": 64062029826,
        "first_name": "First",
        "last_name": "Last",
        "org_name": "Org Name",
        "specialties": [{"id": 1335, "name": "Cardiology"}],
        "npi": "NPI2222"
    },
    "send_to_name": "Test Name",
    "fax_to": "5555555555",
    "display_to": "Test Name",
    "to_number": "5555555555",
    "subject": "Test Subject",
    "body": "Test Body Message",
    "fax_status": "success",
    "fax_attachments": true,
    "delivery_method": "printed",
    "failure_unacknowledged": false,
    "direct_message_to": "Test",
    "email_to": "[email protected]",
    "viewed_at": "2021-05-11T21: 16: 23Z",
    "send_to_elation_user": 1234,
    "delivery_date": "2021-05-11T21: 16: 23Z",
    "with_archive": false,
    "is_processed": true,
    "letter_type": "provider",
    "attachments": [
        {
            "id": 64414089501,
            "document_type": "MedsList"
        }
    ],
    "sign_date": "2021-05-11T21: 16: 23Z",
    "signed_by": 12323455,
    "tags": [],
    "document_date": "2021-05-11T21: 16: 23Z",
    "patient": 140754680086529,
    "practice": 140754674450436
}