POST MediaLibrary Asset Uri

HI everyone, I was trying to use asset uri from MediaLibrary to POST in multipart/form-data.

let formData = new FormData();
                    formData.append("file", aryUnit[x].value.uriPic.picUri)
                    axios({
                        method: 'post',
                        url: photourl,
                        data: formData,
                        headers: { 'Content-Type': 'multipart/form-data' },

                    }).then((rsp) => { console.log(rsp) }).catch((err) => { console.log(err) })

Am I doing anything wrong?

"uri": "assets-library://asset/asset.JPG?id=AAB1C642-B513-44D6-88BC-3A4D7E75B241&ext=JPG",