{
    "contact1_id": "01234567-abcd-dcba-ffff-000000000000",
    "contact2_id": "01234567-abcd-dcba-ffff-000000000000",
    "revision": 1
}curl --location --request PATCH '/entities/ContactRelations/?validation-level' \
--header 'Content-Type: application/json' \
--data-raw '{
    "contact1_id": "01234567-abcd-dcba-ffff-000000000000",
    "contact2_id": "01234567-abcd-dcba-ffff-000000000000",
    "revision": 1
}'{
    "success": true,
    "data": {
        "is_delete_protected": false,
        "id": "01234567-abcd-dcba-ffff-000000000000",
        "is_deleted": false,
        "modified": "2019-01-01T00:00:00",
        "created": "2019-01-01T00:00:00",
        "contact1": "http://example.com",
        "contact2": "http://example.com",
        "contact1_id": "01234567-abcd-dcba-ffff-000000000000",
        "contact2_id": "01234567-abcd-dcba-ffff-000000000000",
        "revision": 1
    }
}