Fetch withdrawal metadata

{
    "ETH": {
        "ETH": {
            "fee": "0.0032",
            "minAmount": "0.0125",
            "maxAmount": "116",
            "precision": 8,
            "available": true
        },
        "BSC": {
            "fee": "0.00012",
            "minAmount": "0.00035",
            "maxAmount": "116",
            "precision": 8,
            "available": false
        }
    },
    "USDC": {
        "ETH": {
            "fee": "15",
            "minAmount": "62.5",
            "maxAmount": "280000",
            "precision": 6,
            "available": true
        },
        "BSC": {
            "fee": "0.3",
            "minAmount": "12.5",
            "maxAmount": "280000",
            "precision": 8,
            "available": true
        },
        "TRX": {
            "fee": "1",
            "minAmount": "12.5",
            "maxAmount": "280000",
            "precision": 6,
            "available": true
        }
    },
    "LINK": {
        "ETH": {
            "fee": "0.67",
            "minAmount": "1.675",
            "maxAmount": "19200",
            "precision": 8,
            "available": true
        }
    },
    "XLM": {
        "XLM": {
            "fee": "0.02",
            "minAmount": "31.25",
            "maxAmount": "2240000",
            "precision": 7,
            "available": true
        }
    },
    "USDT": {
        "ETH": {
            "fee": "13",
            "minAmount": "62.5",
            "maxAmount": "280000",
            "precision": 6,
            "available": true
        },
        "BSC": {
            "fee": "0.19",
            "minAmount": "0.3625",
            "maxAmount": "280000",
            "precision": 8,
            "available": true
        },
        "TRX": {
            "fee": "1",
            "minAmount": "12.5",
            "maxAmount": "280000",
            "precision": 6,
            "available": true
        }
    },
    "LTC": {
        "LTC": {
            "fee": "0.001",
            "minAmount": "0.0025",
            "maxAmount": "4000",
            "precision": 8,
            "available": true
        }
    },
    "BCH": {
        "BCH": {
            "fee": "0.00064",
            "minAmount": "0.0025",
            "maxAmount": "1200",
            "precision": 8,
            "available": true
        }
    },
    "BTC": {
        "BTC": {
            "fee": "0.00034",
            "minAmount": "0.001875",
            "maxAmount": "7.2",
            "precision": 8,
            "available": true
        }
    },
    "XRP": {
        "XRP": {
            "fee": "0.2",
            "minAmount": "18.75",
            "maxAmount": "480000",
            "precision": 6,
            "available": true
        }
    }
}