{
    "my_family_1.a_first_variable": "a modified value",
    "my_family_1.a_sub_{{\u00a0identifier }}.identifier": [
        "family"
    ],
    "my_family_1.a_sub_{{\u00a0identifier }}.a_second_variable": "a modified value",
    "my_family_2.a_first_variable": "a value",
    "my_family_2.a_sub_{{\u00a0identifier }}.identifier": [
        "family"
    ],
    "my_family_2.a_sub_{{\u00a0identifier }}.a_second_variable": null,
    "my_family_3.a_first_variable": "a value",
    "my_family_3.a_sub_{{\u00a0identifier }}.identifier": [
        "family"
    ],
    "my_family_3.a_sub_{{\u00a0identifier }}.a_second_variable": "a modified value 2"
}