Get Box Sign template by ID

{
  "id": "4206996024-14944f75-c34b-478a-95a1-264b1ff80d35",
  "additional_info": {
    "non_editable": [
      "email_subject",
      "name"
    ],
    "required": {
      "signers": [
        [
          "email"
        ],
        [
          "email"
        ]
      ]
    }
  },
  "are_email_settings_locked": true,
  "are_fields_locked": false,
  "are_files_locked": true,
  "are_options_locked": true,
  "are_recipients_locked": false,
  "custom_branding": {
    "branding_color": "9E5E6F",
    "company_name": "Corporation inc.",
    "email_footer_text": "Contact email email@mail.com",
    "logo_uri": "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAA\nAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNk+A\n8AAQUBAScY42YAAAAASUVORK5CYII="
  },
  "days_valid": 2,
  "email_message": "Hello! Please sign the document below",
  "email_subject": "Sign Request from Acme",
  "name": "Official contract",
  "parent_folder": {
    "id": "12345",
    "type": "folder",
    "etag": "1",
    "name": "Contracts",
    "sequence_id": "3"
  },
  "ready_sign_link": {
    "folder_id": "12345",
    "instructions": "Hello! Please sign the document below",
    "is_active": false,
    "is_notification_disabled": true,
    "name": "Official contract",
    "url": "\"https://app.box.com/sign/\nready-sign-link/a1cdf2c7-fa81-4a67-8163-1e5f4dbe5178\""
  },
  "signers": [
    {
      "inputs": [
        {
          "document_tag_id": "1234",
          "text_value": "text",
          "checkbox_value": true,
          "date_value": "2021-04-26T08:12:13.982Z",
          "type": "text",
          "content_type": "text",
          "is_required": true,
          "page_index": 4,
          "document_id": "123075213-eb54b537-8b25-445e-87c1-5a1c67d8cbd7",
          "dropdown_choices": [
            "Yes",
            "No",
            "Maybe"
          ],
          "group_id": "da317330-225a-4c72-89ad-0d6dcaaf4df6",
          "coordinates": {
            "x": 0.672258592471358,
            "y": 0.18654283173599448
          },
          "dimensions": {
            "width": 0.2618657937806874,
            "height": 0.05311728090109673
          }
        }
      ],
      "email": "example@mail.com",
      "role": "signer",
      "is_in_person": true,
      "order": 2
    }
  ],
  "source_files": [
    {
      "id": "12345",
      "etag": "1",
      "type": "file",
      "sequence_id": "3",
      "name": "Contract.pdf",
      "sha1": "85136C79CBF9FE36BB9D05D0639C70C265C18D37",
      "file_version": {
        "id": "12345",
        "type": "file_version",
        "sha1": "134b65991ed521fcfe4724b7d814ab8ded5185dc"
      }
    }
  ]
}