Corbyn/Labour - personal data

What personal data has Corbyn's Labour Party purchased about you? Labour investigated by the ICO; #JC4PMNOW #jc4pm2019 #gtto #jc4pm #cultofcorbyn #labourisdead #weaintcorbyn #wearecorbyn #Corbyn #Abbott #McDonnell #JC2frail2bPM #timeforchange #Labour @PeoplesMomentum