/cmd/:devid?wait=10

{
    "username": "test",
    "password": "test",
    "cmd": "echo",
    "params": ["hello rtty"]
}

{
    "code": 0,
    "stdout": "aGVsbG8gcnR0eQo=",
    "stderr": ""
}

{
    "err": 1002,
    "msg": "device offline"
}

1001    invalid format
1002    device offline
1003    timeout
1       operation not permitted
2       not found
3       no mem
4       sys error
5       stdout+stderr is too big

var data = {username: 'test', password: 'test', cmd: 'echo', params: ['hello rtty']};
$.post('http://your-server:5913/cmd/test', JSON.stringify(data), function(r) {
    if (r.stdout) {
        console.log(window.atob(r.stdout))
    } else {
        console.log(r)
    }
});

var data = {username: 'test', password: 'test', cmd: 'echo', params: ['hello rtty']};
axios.post('http://your-server:5913/cmd/test', data).then(function(r) {
    var resp = r.data;
    if (resp.stdout) {
        console.log(window.atob(resp.stdout))
    } else {
        console.log(resp)
    }
});