Por la compra de 3 unidades iguales o combinadas de los siguientes artículos, GRATIS el de menor importe

{ "offers": [ { "sales_reference": "001055755100520 ", "seller": { "identifier": "001" } }, { "sales_reference": "001055755101817 ", "seller": { "identifier": "001" } }, { "sales_reference": "001055754800096 ", "seller": { "identifier": "001" } }, { "sales_reference": "001055755100538 ", "seller": { "identifier": "001" } }, { "sales_reference": "001055754800112 ", "seller": { "identifier": "001" } }, { "sales_reference": "001055755101734 ", "seller": { "identifier": "001" } }, { "sales_reference": "001055755101759 ", "seller": { "identifier": "001" } }, { "sales_reference": "001055754800104 ", "seller": { "identifier": "001" } }, { "sales_reference": "001055755102682 ", "seller": { "identifier": "001" } }, { "sales_reference": "001055754803439 ", "seller": { "identifier": "001" } }, { "sales_reference": "001055754803314 ", "seller": { "identifier": "001" } }, { "sales_reference": "001055754807414 ", "seller": { "identifier": "001" } }, { "sales_reference": "001055755102799 ", "seller": { "identifier": "001" } }, { "sales_reference": "001055754900268 ", "seller": { "identifier": "001" } }, { "sales_reference": "001055754806747 ", "seller": { "identifier": "001" } }, { "sales_reference": "001055755101700 ", "seller": { "identifier": "001" } }, { "sales_reference": "001055755102690 ", "seller": { "identifier": "001" } }, { "sales_reference": "001055755102781 ", "seller": { "identifier": "001" } }, { "sales_reference": "001055755101742 ", "seller": { "identifier": "001" } }, { "sales_reference": "001055754807430 ", "seller": { "identifier": "001" } }, { "sales_reference": "001055755103391 ", "seller": { "identifier": "001" } }, { "sales_reference": "001055754807422 ", "seller": { "identifier": "001" } }, { "sales_reference": "001055754808099 ", "seller": { "identifier": "001" } }, { "sales_reference": "001055755102807 ", "seller": { "identifier": "001" } } ], "subsite": { "identifier": "supermarketHipercorStore", "parent": { "identifier": "supermarket" } }, "query_params": { "centers": { "home_delivery": "0130" }, "is_full_documentation": false, "is_include_offer_availability": true }, "query_list_get_method": "001055755100520___,001055755101817___,001055754800096___,001055755100538___,001055754800112___,001055755101734___,001055755101759___,001055754800104___,001055755102682___,001055754803439___,001055754803314___,001055754807414___,001055755102799___,001055754900268___,001055754806747___,001055755101700___,001055755102690___,001055755102781___,001055755101742___,001055754807430___,001055755103391___,001055754807422___,001055754808099___,001055755102807___", "delivery_get_method": { "delivery_type": "home_delivery", "center_id": "0130" } }