getOne

{
	document_id: int,
	company_id: int,
	document_type_id: int,
	supplier_id: int,
	document_set_id: int,
	number: int,
	date: datetime,
	year: int,
	your_reference: string,
	entity_number: string,
	entity_name: string,
	entity_vat: string,
	entity_address: string,
	entity_city: string,
	entity_zip_code: string,
	entity_country: string,
	notes: string,
	special_discount: float,
	financial_discount: float,
	gross_value: float,
	comercial_discount_value: float,
	financial_discount_value: float,
	taxes_value: float,
	deduction_value: float,
	net_value: float,
	reconciled_value: float,
	related_documents_notes: string,
	status: int,
	exchange_currency_id: int,
	exchange_total_value: float,
	exchange_rate: float,
	exchange_currency: {
		currency_id: int,
		iso4217: string,
		symbol: string
	},
	document_type: {
		document_type_id: int,
		saft_code: string
	},
	document_set: {
		document_set_id: int,
		name: string
	},
	products: [
		{
			ean: string,
			order: int,
			product_id: int,
			category_id: int,
			reference: string,
			name: string,
			summary: string,
			price: float,
			unit_id: int,
			unit_name: string,
			unit_short_name: string,
			discount: float,
			qty: int,
                        deduction_id: int,
			deduction: float,
			deduction_name: string,
			exemption_reason: string,
			supplier: {
				supplier_id: int,
				number: string,
				name: string,
				vat:string
			},
			taxes: [
				{
					tax_id: int,
					type: int,
					saft_type: int,
					vat_type: string,
					stamp_tax: string,
					name: string,
					value: float,
					fiscal_zone: string,
					order: int,
					cumulative: int,
					incidence_value: float,
					total_value: float
				},
				(...)
			]
		},
		(...)
	],
	associated_documents: [
		{
			associated_id: int,
			value: float
		},
		(...)
	]
}