Verification on the user's capability for making deal

OC_EXCHANGECHECKUSER

Request code	Code meaning	Explanation
QE_NOT_MATCH	Not match	Invalid request signature
QE_USER_NOT_FOUND	User not found	User was not found

"Action":<OC_EXCHANGECHECKUSER>,
"Data":{
 "ID":<ExchangeID>,
 "Key":<RequestKey>,
 "User":<UserLogin>
}

Where:

ExchangeID - ExchangeID
RequestKey - signature that is generated as follows: RequestKey=SHA1(<ExchangeID>+<APIKEY>+<UserLogin>)
UserLogin - user login

"Status":"Success",
"Data": {
 "Capable":<IsUserCapable>
}

Where: