Update preferred registration type, fee settings, deposit account, and crypto payment source.
select true if all user's account deposits should be held in the user's main account; defaults to false
select known if crypto wallets are to a user provided address; select unknown addresses generated by the service; defaults to known
known, unknown account to receive fees
required with feeCurrency and feeType
optional maximum fee amount; if set, the fee will not exceed this amount if type is percentage
required with feeAmount and feeType
USD required with feeCurrency and feeAmount
fixed, percentage open, closed put user settings ok