request(
    "POST",
    "/v1/custody/new_withdraw_request/",
    {
        "coin": "ETH",
        "address": "0x8e2782aabdf80fbb69399ce3d9bd5ae69a60462c",
        "amount": 100000000000000,
        "request_id": "unique_123456",
        "remark": "hello test"
    },
    api_key, api_secret, host
)

coboFetch('POST', '/v1/custody/new_withdraw_request/',
        {
            "coin": "ETH",
            "address": "0x8e2782aabdf80fbb69399ce3d9bd5ae69a60462c",
            "amount": 100000000000000,
            "request_id": "unique_123456",
            "remark": "hello test"
        },
        api_key, api_secret, host
    ).then(res => {
        res.json().then((data)=>{
            console.log(JSON.stringify(data, null, 4));
        })
    }).catch(err => {
        console.log(err)
    });

Request("POST", "/v1/custody/new_withdraw_request/", map[string]string{
    "coin": "ETH",
    "address": "0x8e2782aabdf80fbb69399ce3d9bd5ae69a60462c",
    "amount": 100000000000000,
    "request_id": "unique_123456",
    "remark": "hello test",
})

{
  "success": true,
  "result": ""
}

{
    "success": false,
    "result": null,
    "errorCode":"12009",
    "errorMessage":"Request id api_request_id_123458 is duplicated",
    "errorId":"0400ccb7ad3f4ada8430f08b8f83a30d",
}