curl --request POST \
  --url https://api.firma.dev/functions/v1/signing-request-api/get-embedded-signing-request \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "companies_workspaces_signing_requests_id": "123e4567-e89b-12d3-a456-426614174000"
}
'

{
  "signingRequest": {},
  "fields": [
    {
      "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "companies_workspaces_signing_requests_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "companies_workspaces_signing_requests_users_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "field_type": "text",
      "required": 0,
      "x_postion": 123,
      "y_position": 123,
      "width": 123,
      "heigh": 123,
      "page_number": 123,
      "tl_position": 123,
      "tr_position": 123,
      "bl_position": 123,
      "br_position": 123,
      "variable_name": "<string>",
      "final_value": "<string>",
      "date_default": "<string>",
      "date_signing_default": 0,
      "format_rules": {},
      "validation_rules": {},
      "dropdown_options": [
        "<string>"
      ],
      "multi_group_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "read_only": 0,
      "read_only_value": "<string>",
      "background_color": "<string>",
      "calculated_font_size": 123,
      "deleted": 0
    }
  ],
  "users": [
    {
      "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "name": "<string>",
      "email": "jsmith@example.com",
      "first_name": "<string>",
      "last_name": "<string>",
      "designation": "Signer",
      "order": 2,
      "finished_on": "2023-11-07T05:31:56Z",
      "declined_on": "2023-11-07T05:31:56Z",
      "decline_reason": "<string>",
      "phone_number": "<string>",
      "street_address": "<string>",
      "city": "<string>",
      "state_province": "<string>",
      "postal_code": "<string>",
      "country": "<string>",
      "title": "<string>",
      "company": "<string>",
      "custom_fields": {},
      "required_fields": [
        "<string>"
      ],
      "missing_fields": [
        "<string>"
      ],
      "required_read_only_fields": [
        {
          "variable_name": "<string>",
          "field_type": "<string>",
          "has_value": true
        }
      ],
      "ready_to_send": true
    }
  ],
  "reminders": [
    {
      "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "hours": 2,
      "subject": "<string>",
      "message": "<string>",
      "all_users": true,
      "template_user_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "recipient_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "sent_on": "2023-11-07T05:31:56Z",
      "created_at": "2023-11-07T05:31:56Z",
      "updated_at": "2023-11-07T05:31:56Z"
    }
  ],
  "workspace": {
    "name": "<string>",
    "team_email": "<string>",
    "icon_url": "<string>",
    "timezone": "<string>",
    "show_credit_cost_in_editor": true,
    "require_otp_verification": true
  }
}