get last post caption | Instagram Data API

{
  instagram: {
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      6_months_ago: -1.2,
      12_months_ago: -4.56,
      3_months_ago: -1.01,
      9_months_ago: -1.96
    },
    niche_class: [
      "Arts & Entertainment",
      "Business",
      "Lifestyle"
    ],
    posting_frequency_recent_months: 2,
    biography: "hihi:) I stream video games on twitch and youtube!\n @hihistudios  \n @100thieves\n",
    engagement_percent: 9.225,
    uses_link_in_bio: false,
    hashtags: [],
    follower_count: 3391465,
    username: "valkyrae",
    userid: "1346468356",
    exists: true,
    account_type: 2,
    profile_picture: "https://d1epkj5tg6hyw4.cloudfront.net/profile-pics/valkyrae--1346468356.jpg",
    category: "Personal Blog",
    full_name: "rae",
    pronouns: [
      "she",
      "her"
    ],
    is_private: false,
    is_business_account: true,
    is_verified: true,
    media_count: 891,
    following_count: 564,
    video_content_creator: true,
    most_recent_post_date: "2025-04-30",
    locations: [],
    tagged: [
      {
        username: "tellytyme",
        userid: "47842950"
      },
      {
        username: "mashyourhair",
        userid: "3197030439"
      },
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        username: "cinnabrit",
        userid: "236393910"
      },
      {
        username: "pokimanelol",
        userid: "336942508"
      },
      {
        username: "alythuh",
        userid: "44734675"
      },
      {
        username: "tarayummyy",
        userid: "419513260"
      },
      {
        username: "pressescpod",
        userid: "67040824363"
      },
      {
        username: "qtcinderella",
        userid: "9134928739"
      },
      {
        username: "tanookleaf",
        userid: "37070596754"
      },
      {
        username: "tellytyme",
        userid: "47842950"
      },
      {
        username: "daniandemmastyle",
        userid: "2120543570"
      },
      {
        username: "nailrmoon",
        userid: "20704137746"
      },
      {
        username: "markiplier",
        userid: "704051376"
      },
      {
        username: "alythuh",
        userid: "44734675"
      },
      {
        username: "tellytyme",
        userid: "47842950"
      },
      {
        username: "lena_kitsune",
        userid: "51046799"
      },
      {
        username: "slayeas",
        userid: "1099957123"
      },
      {
        username: "sytography",
        userid: "55380994476"
      },
      {
        username: "gucci",
        userid: "2421050"
      },
      {
        username: "sabato.desarno",
        userid: "12219628"
      },
      {
        username: "tellytyme",
        userid: "47842950"
      },
      {
        username: "daniandemmastyle",
        userid: "2120543570"
      }
    ],
    reels: {
      reels_percent: 16.67,
      avg_like_count: 87119,
      avg_view_count: 0,
      median_like_count: 87119,
      median_view_count: 0
    },
    first_name: "@valkyrae",
    first_name_source: "",
    name_gender: "female",
    links_in_bio: [
      "https://www.youtu.be/SRe6cWUgeDQ?si=IHQjXbzfeNZf8RAv"
    ],
    engagement_percent_source: "same",
    hashtags_count: [],
    has_merch: false,
    promotes_affiliate_links: false,
    avg_likes: 267245.92,
    avg_comments: 1233.75,
    likes_median: 311465,
    comments_median: 1192.5,
    has_profile_pic: true,
    streamer: true,
    language_code: [
      "en"
    ],
    language_confidence: [
      99
    ],
    profile_picture_hd: "https://scontent-dfw5-2.cdninstagram.com/v/t51.2885-19/463447573_516657641248942_4227951132372582267_n.jpg?_nc_ht=scontent-dfw5-2.cdninstagram.com&_nc_cat=1&_nc_oc=Q6cZ2QH5zlx2domaTJcfDjtoHP9UvK-IQMMN7v7AikcogC7HMKFo_s1ZpNVots1qc-Sc1yQ&_nc_ohc=TwdimA_FirMQ7kNvwGIevVe&_nc_gid=9I8V72UWiBCKuywWloAqqQ&edm=AO4kU9EBAAAA&ccb=7-5&oh=00_AfJPH1aQLuDhAK_kkhuR2OdUAbirDCg2xi554f6uKgR0KQ&oe=68210DF1&_nc_sid=164c1d",
    has_brand_deals: true
  },
  email: "valkyrae@rangemp.com",
  email_type: "business_email",
  location: "Los Angeles, California, United States",
  speaking_language: "en",
  first_name: "Rae",
  is_business: false,
  is_creator: true,
  has_brand_deals: true,
  has_link_in_bio: false,
  creator_has: [
    {
      instagram: "https://www.instagram.com/valkyrae"
    }
  ],
  credits_remaining: 49970.5
}