What does the following script mean?
Can anyone decipher what I received when my facebook account was hijacked ?
or (;;);{"payload":{"actions":[{"cmd":"replace","target":"root","html":"\u003Cdiv id=\"root\" role=\"main\" class=\"_55wm\" data-sigil=\"context-layer-root content-pane\">\u003Cdiv>\u003Cdiv class=\"_55wm _55x2\">\u003Cdiv class=\"timeline\">\u003Cdiv class=\"_56be _5enf\">\u003Cdiv class=\"_55wo _55x2 _56bf\">\u003Cheader class=\"_55ws _5eng\">\u003Ch3 class=\"_52ja _52jh\">Activity Log\u003C\/h3>\u003Cspan class=\"_52ja _52jg mfss\">\u003Cstrong>Only you\u003C\/strong> can see your activity log\u003C\/span>\u003C\/header>\u003Cdiv class=\"_5hrh\">\u003Cdiv class=\"_55ws _5909 _5b6o _592p touchable\" data-sigil=\"touchable\">\u003Cdiv class=\"_4g33 _52we\">\u003Cdiv class=\"_4g34 _5b6q _5b6p\">\u003Ch3 class=\"_52ja\" id=\"u_ab3efn_0\">Filter\u003C\/h3>\u003C\/div>\u003Cdiv class=\"_4g34 _5b6r _5b6p\">\u003Cdiv class=\"_52j9\">\u003C\/div>\u003C\/div>\u003Cdiv class=\"_5s61 _5b6p\">\u003Cdiv class=\"_5i3t\">\u003C\/div>\u003C\/div>\u003Cdiv class=\"_5s61 _5cn0\">\u003Ca class=\"_5b6s\" href=\"\/allactivity\/options?id=100003189859299\" aria-labelledby=\"u_ab3efn_0\">\u003C\/a>\u003C\/div>\u003C\/div>\u003C\/div>\u003C\/div>\u003Cdiv class=\"_5hrh\">\u003C\/div>\u003C\/div>\u003C\/div>\u003C\/div>\u003C\/div>\u003Cdiv class=\"timeline\">\u003Cdiv class=\"feed _56cw\">\u003Cdiv class=\"loadedSection\">\u003Cdiv class=\"sectionLoader sectionContent\">\u003Cdiv class=\"_56cx acw\" id=\"tlUnit_10_8_14\" data-sigil=\"tlUnit marea\">\u003Cdiv class=\"_56be _56cy\">\u003Cdiv class=\"_55wo _56bf\">\u003Cdiv class=\"_55x2\" id=\"tlRecentStories_10_8_14\">\u003Csection class=\"_56cz _56c_\">Today\u003C\/section>\u003Csection class=\"_56cz darkTouch\" id=\"u_ab3efn_1\" data-sigil=\"activity-log-story touchable\">\u003Ca class=\"_56c-\" href=\"\/profile.php?id=648947345218916&ref=stream\">\u003Cdiv class=\"ib\">\u003Cdiv class=\"_56d0 l\">\u003Ci class=\"img profpic\" aria-label=\"https:\/\/m.facebook.com\/friends\/hovercard\/mbasic\/?uid=100007834576979&redirectURI=https\u00253A\u00252F\u00252Fm.facebook.com\u00252Ffindfriends\u00252Fbrowser\u00252F\u00253Fref_component\u00253Dmbasic_home_header\u002526ref_page\u00253DMChatBuddyListController\u002526mfl_act\u00253D1\u002523last_acted&showhideaction=0\" role=\"img\" style=\"background:#d8dce6 url("https:\/\/scontent-b.xx.fbcdn.net\/hprofile-xfa1\/v\/t1.0-1\/c9.0.32.32\/p32x32\/392333_10149999285997743_1364412321_n.png?oh=2f67823ce3fbf1c6482c6c95c0f91d4a&oe=54BFAC9F") no-repeat center;background-size:100\u0025 100\u0025;-webkit-background-size:100\u0025 100\u0025;width:32px;height:32px;\">\u003C\/i>\u003C\/div>\u003Cdiv class=\"c\">\u003Cdiv class=\"_56d3\">Reina likes https:\/\/m.facebook.com\/friends\/hovercard\/mbasic\/?uid=100007834576979&redirectURI=https\u00253A\u00252F\u00252Fm.fac...\u003C\/div>\u003Cdiv class=\"_56d4\">\u003C\/div>\u003Cdiv class=\"_56d5\">\u003Cspan class=\"_56d6 mfss fcg\" style=\"display:none\" data-sigil=\"hide-label\">Hidden from Timeline\u003C\/span>\u003C\/div>\u003C\/div>\u003C\/div>\u003C\/a>\u003Cdiv class=\"_56d1\">\u003Cdiv class=\"_56d2\" id=\"u_ab3efn_j\" data-sigil=\"touchable\">\u003Ca aria-label=\"Options for this story\" role=\"button\">\u003Ci class=\"img img\" style=\"background-image: url("https:\/\/static.xx.fbcdn.net\/rsrc.php\/v2\/yk\/r\/myGTRU9fABa.png");background-repeat:no-repeat;background-size:100\u0025 100\u0025;-webkit-background-size:100\u0025 100\u0025;width:12px;height:8px;\">\u003C\/i>\u003C\/a>\u003C\/div>\u003C\/div>\u003C\/section>\u003C\/div>\u003C\/div>\u003C\/div>\u003C\/div>\u003Cdiv class=\"_56cx acw\" id=\"tlUnit_10_7_14\" data-sigil=\"tlUnit marea\">\u003Cdiv class=\"_56be _56cy\">\u003Cdiv class=\"_55wo _56bf\">\u003Cdiv class=\"_55x2\" id=\"tlRecentStories_10_7_14\">\u003Csection class=\"_56cz _56c_\">Yesterday\u003C\/section>\u003Csection class=\"_56cz darkTouch\" id=\"u_ab3efn_3\" data-sigil=\"activity-log-story touchable\">\u003Ca class=\"_56c-\" href=\"https:\/\/www.facebook.com\/help\/149190625213449?fb_action_ids=646859028763753&fb_action_types=link.saves&fb_source=other_multiline&action_object_map=\u00257B\u002522646859028763753\u002522\u00253A315041238634937\u00257D&action_type_map=\u00257B\u002522646859028763753\u002522\u00253A\u002522link.saves\u002522\u00257D&action_ref_map=\u00255B\u00255D\">\u003Cdiv class=\"ib\">\u003Cdiv class=\"_56d0 l\">\u003Ci class=\"img img\" style=\"background-image: url("https:\/\/external.xx.fbcdn.net\/safe_image.php?d=AQCD8DjmdV7wf2rZ&url=https\u00253A\u00252F\u00252Ffbstatic-a.akamaihd.net\u00252Frsrc.php\u00252Fv2\u00252Fyf\u00252Fr\u00252F_t2H-JtMQ3j.png");background-repeat:no-repeat;background-size:100\u0025 100\u0025;-webkit-background-size:100\u0025 100\u0025;width:32px;height:32px;\" aria-label=\"External Image\" role=\"img\">\u003C\/i>\u003C\/div>\u003Cdiv class=\"c\">\u003Cdiv class=\"_56d3\">Reina saved \u003Ca
Wšykne wótegrona (1)
It seems to be new timeline data, but it's really hard to say. Data in this format is intended to be interpreted by a script. So its ultimate effect really would depend on that script.