Contacts for QI receiver on Galaxy Alpha

I would like to adapt a QI receiver for Samsung S5 to my new Alpha. Anyone knows the disposition (electrical scheme) of the 5 contacts ( 3+2) that are placed on the rear left side, where the QI receiver should plug?

crwdns2934089:0crwdne2934089:0 crwdns2934093:0crwdne2934093:0

crwdns2934109:0crwdne2934109:0

crwdns2889612:0crwdne2889612:0 1
crwdns2934285:0crwdne2934285:0