stages.js

import service from "./service.json";

function sendAvailableArea() {
        const headers = {
            'x-api-key': process.env.REACT_APP_MAP_IR_ACCESS_TOKEN,
            // 'Content-Type': 'multipart/form-data'
        };

        const formData = new FormData();
        // 
        formData.append("polygons", new Blob([service], {type: "application/json"}));
        // formData.append("polygons", service);        

        axios.post('https://map.ir/geofence/stages',  formData, {headers: headers}
        ).then(console.log).catch(console.log)
    }