from 3rd Org command peer channel fetch 0 -c channelheader -o orderer.example.com:7050 --tls --cafile $ORDERER_CA
forgot to include the signature of second Orgnization peer channel update -f org3_update_in_envelope.pb -c $CHANNEL_NAME -o orderer.example.com:7050 --tls --cafile $ORDERER_CA