check if backer is persisted? before send the notifications and update data
check if backer is persisted? before send the notifications and update data

raksonibs/raimcrowd,rockkhuya/taydantay,jinutm/silveralms.com,jinutm/silverme,MicroPasts/micropasts-crowdfunding,rockkhuya/taydantay,jinutm/silvfinal,jinutm/silveralms.com,jinutm/silverme,MicroPasts/micropasts-crowdfunding,gustavoguichard/neighborly,jinutm/silverclass,jinutm/silverprod,MicroPasts/micropasts-crowdfunding,jinutm/silverme,jinutm/silverclass,jinutm/silverpro,jinutm/silveralms.com,raksonibs/raimcrowd,jinutm/silvfinal,jinutm/silverprod,raksonibs/raimcrowd,jinutm/silvfinal,jinutm/silverprod,jinutm/silverpro,jinutm/silverpro,MicroPasts/micropasts-crowdfunding,rockkhuya/taydantay,gustavoguichard/neighborly,jinutm/silverclass,gustavoguichard/neighborly,raksonibs/raimcrowd