Just about yesterday, the CEO of LoopPay - Will Graylin, has tweeted that Verizon Galaxy S6 and S6 Edge users will be able to download the Samsung Pay via Google Play next week. Meanwhile, some users already managed to install the said Samsung Pay into their device using the Apps APK file itself, but somehow the activation process were still in a pending status.
Here are the technical details:
Verizon Samsung Galaxy S6
Model number: SM-G920V
Android version: 5.1.1
Baseband version: G920VVRU4BOG7
Kernel Version: 3.10.61-5358024
Build Number: LMY47X.G920VVRU4BOG7
AP G920VVRU4BOG7
CSC G920VVRU4BOG7
CP G920VVRU4BOG7
Verizon Samsung Galaxy S6 Edge
Model number: SM-G925V
Android version: 5.1.1
Baseband version: G925VVRU4BOG7
Kernel Version: 3.10.61-5358024
Build Number: LMY47X.G925VVRU4BOG7
AP G925VVRU4BOG7
CSC G925VVRU4BOG7
CP G925VVRU4BOG7
The above updates were still available via Over-The-Air (OTA) update. If you haven't received the software update notification message yet make sure to hit your device Settings > About phone > Check for update.
Source: Verizon Galaxy S6 / S6 Edge support pages [1], [2]