Id | value
________________
 1    bla bla bla
 2    bla bla

[
{"Id"=>1 ,"value"=>" value 1 "},
{"Id"=>"","value"=>"value2"}
]

Id | value
    ________________
     1    value1     , update row
     2    bla bla    , this row will be deleted row because I don't receive the id
     3    value 2    , there is a new row, because I got an empty Id