tsc
(typescript compiler) умеет это делать самостоятельно. > s = '"loaddate{"60":{"id_preset":"60","X-Coordinate":"56.95124160","Y-Coordinate":"24.12121280","Speed":"0","Distance":"0.00000000","\u0421orner_Left":"1","\u0421orner_Right":"0","\u0421orner_Up":"1","\u0421orner_Down":"0"}}"'
'"loaddate{"60":{"id_preset":"60","X-Coordinate":"56.95124160","Y-Coordinate":"24.12121280","Speed":"0","Distance":"0.00000000","Сorner_Left":"1","Сorner_Right":"0","Сorner_Up":"1","Сorner_Down":"0"}}"'
> JSON.parse(s.slice(9,-1))
{
'60': {
id_preset: '60',
'X-Coordinate': '56.95124160',
'Y-Coordinate': '24.12121280',
Speed: '0',
Distance: '0.00000000',
'Сorner_Left': '1',
'Сorner_Right': '0',
'Сorner_Up': '1',
'Сorner_Down': '0'
}
}