"сию секунду" meaning in Russian

{
  "forms": [
    {
      "form": "сию́ секу́нду",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "sijú sekúndu",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "сию́ секу́нду"
      },
      "expansion": "сию́ секу́нду • (sijú sekúndu)",
      "name": "ru-adv"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Russian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "immediately, this very second, instantly, at once"
      ],
      "id": "en-сию_секунду-ru-adv-0JQFcj9X",
      "links": [
        [
          "immediately",
          "immediately"
        ],
        [
          "second",
          "second"
        ],
        [
          "instantly",
          "instantly"
        ],
        [
          "at once",
          "at once"
        ]
      ],
      "synonyms": [
        {
          "word": "неме́дленно"
        },
        {
          "word": "сра́зу же"
        },
        {
          "word": "сей же час"
        },
        {
          "word": "сию́ мину́ту"
        },
        {
          "word": "то́тчас"
        },
        {
          "word": "ту́т же"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[sʲɪˈju sʲɪˈkundʊ]"
    }
  ],
  "word": "сию секунду"
}

{
  "forms": [
    {
      "form": "сию́ секу́нду",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "sijú sekúndu",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "сию́ секу́нду"
      },
      "expansion": "сию́ секу́нду • (sijú sekúndu)",
      "name": "ru-adv"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        "Russian adverbs",
        "Russian entries with incorrect language header",
        "Russian lemmas",
        "Russian multiword terms",
        "Russian terms with IPA pronunciation"
      ],
      "glosses": [
        "immediately, this very second, instantly, at once"
      ],
      "links": [
        [
          "immediately",
          "immediately"
        ],
        [
          "second",
          "second"
        ],
        [
          "instantly",
          "instantly"
        ],
        [
          "at once",
          "at once"
        ]
      ],
      "synonyms": [
        {
          "word": "неме́дленно"
        },
        {
          "word": "сра́зу же"
        },
        {
          "word": "сей же час"
        },
        {
          "word": "сию́ мину́ту"
        },
        {
          "word": "то́тчас"
        },
        {
          "word": "ту́т же"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[sʲɪˈju sʲɪˈkundʊ]"
    }
  ],
  "word": "сию секунду"
}