Changing the service url for a direct line activity that is sent to our bot
问题 We are trying to send a message into our bot using the direct line api and then send a message out from our bot without using the direct line api. In order to do this, we need a different service url than the default direct line api service url. We have tried putting a different service url in the activity we send the direct line api but then when the activity is sent to the bot the direct line api service url is populated instead. We have also tried changing the service url in the activity