Save json or multidimentional array to DB in C#

Save json or multidimentional array to DB in C#

Example of returned output:
[{"id":1,"children":[{"id":2,"children":[{"id":4},{"id":7},{"id":8}]},{"id":3}]},{"id":5},{"id":6}]
i need output like
Array ( [0] => Array ( [id] => 1 [children] => Array ( [0] => Array ( [id]
=> 2 [children] => Array ( [0] => Array ( [id] => 4 )
[1] => Array
(
[id] => 7
)
[2] => Array
(
[id] => 8
)
)
)
[1] => Array
(
[id] => 3
)
)
)
[1] => Array
(
[id] => 5
)
[2] => Array
(
[id] => 6
)
)