curl --request GET \
  --url https://api.portalhq.io/api/v3/custodians/me/clients/{clientId}/chains/{chain}/assets \
  --header 'Authorization: Bearer <token>'

{
  "nativeBalance": {
    "balance": "0.10991767582513721",
    "decimals": 18,
    "name": "Ether",
    "rawBalance": "109917675825137210",
    "symbol": "ETH",
    "metadata": {
      "logo": "https://cdn.moralis.io/eth/0x.png",
      "thumbnail": "https://cdn.moralis.io/eth/0x_thumb.png"
    }
  },
  "tokenBalances": [
    {
      "balance": "0.0199",
      "decimals": 18,
      "name": "Wrapped Ether",
      "rawBalance": "19900000000000000",
      "symbol": "WETH",
      "metadata": {
        "tokenAddress": "0xfff9976782d46cc05630d1f6ebab18b2324d6b14",
        "verifiedContract": false,
        "totalSupply": "48148.648311179713152621",
        "rawTotalSupply": "48148648311179713152621",
        "percentageRelativeToTotalSupply": 0.00004133033989114
      }
    }
  ]
}