curl --request POST \
  --url https://api.custody.api-zodia.io/v3/api/custody/currencies \
  --header 'X-Signature: <api-key>' \
  --header 'submitter-id: <submitter-id>'

{
  "items": [
    {
      "currency": "ETH",
      "name": "Ethereum",
      "ratio": "100000000000000000000",
      "currencyId": "eth-eth"
    }
  ]
}