fix: [event:push] Unset attribute before processing it and nesting typo
fix: [event:push] Unset attribute before processing it and nesting typo


MISP/MISP,MISP/MISP,SteveClement/MISP,MISP/MISP,SteveClement/MISP,SteveClement/MISP,SteveClement/MISP,MISP/MISP,MISP/MISP,SteveClement/MISP