curl --location -g --request GET 'https://yingyan.baidu.com/api/v3/track/getlatestpoint?service_id&entity_name&ak=&sn='
{
"status": 0,
"message": "成功",
"latest_point": {
"longitude": 116.43683174878,
"latitude": 40.079614535339,
"loc_time": 1521120545,
"direction": 81,
"height": 21,
"radius": 7,
"speed": 7.142739,
"locate_mode": "GPS/北斗定位",
"transport_mode": "驾车"
}
}