Eventually, in about 512-511 BC, the Macedonian king Amyntas I accepted the Achaemenid domination and surrendered his country as a vassal state to the Achaemenid Persia.

"Results": [
    {
        "TypeName": "PER",
        "Text": "Amyntas I",
        "Start": 53,
        "End": 62
    },
    {
        "TypeName": "LOC",
        "Text": "Achaemenid Persia",
        "Start": 151,
        "End": 168
    }
]