The currency symbol
Currency, i.e "BTC", "ETH", "USDC"
BTC, ETH, USDC, USDT, EURR Amount of funds to be transferred
Id of destination subaccount. Can be found in My Account >> Subaccounts tab
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Id of the source (sub)account. Can be found in My Account >> Subaccounts tab. By default, it is the Id of the account which made the request. However, if a different "source" is specified, the user must possess the mainaccount scope, and only other subaccounts can be designated as the source.
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