"it's been real" meaning in English

{
  "head_templates": [
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      "args": {
        "1": "en",
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      "expansion": "it's been real",
      "name": "head"
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  "lang": "English",
  "lang_code": "en",
  "pos": "phrase",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "American English",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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      "examples": [
        {
          "ref": "1993, Devra Newberger Speregen, Phone Call from a Flamingo, page 19",
          "text": "A few minutes later, D.J. stood up from the table. \"Well, it's been real,\" she said.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "An informal farewell indicating the speaker's enjoyment of the time spent together. Often used ironically."
      ],
      "id": "en-it's_been_real-en-phrase-z~6omCNN",
      "raw_glosses": [
        "(US) An informal farewell indicating the speaker's enjoyment of the time spent together. Often used ironically."
      ],
      "tags": [
        "US"
      ]
    }
  ],
  "word": "it's been real"
}

{
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "phrase"
      },
      "expansion": "it's been real",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "phrase",
  "senses": [
    {
      "categories": [
        "American English",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English phrases",
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      "examples": [
        {
          "ref": "1993, Devra Newberger Speregen, Phone Call from a Flamingo, page 19",
          "text": "A few minutes later, D.J. stood up from the table. \"Well, it's been real,\" she said.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "An informal farewell indicating the speaker's enjoyment of the time spent together. Often used ironically."
      ],
      "raw_glosses": [
        "(US) An informal farewell indicating the speaker's enjoyment of the time spent together. Often used ironically."
      ],
      "tags": [
        "US"
      ]
    }
  ],
  "word": "it's been real"
}