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  "team_id": "T043DB835ML",
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    "type": "message",
    "text": "You have been removed from #testing-slack-app by <@U043H11ES4V>",
    "user": "USLACKBOT",
    "ts": "1664826477.425039",
    "team": "T043DB835ML",
    "blocks": [
      {
        "type": "rich_text",
        "block_id": "ZRe",
        "elements": [
          {
            "type": "rich_text_section",
            "elements": [
              {
                "type": "text",
                "text": "You have been removed from #testing-slack-app by "
              },
              {
                "type": "user",
                "user_id": "U043H11ES4V"
              }
            ]
          }
        ]
      }
    ],
    "channel": "D043HMJ0WDU",
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    "channel_type": "im"
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  "type": "event_callback",
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      "enterprise_id": null,
      "team_id": "T043DB835ML",
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      "is_bot": true,
      "is_enterprise_install": false
    }
  ],
  "is_ext_shared_channel": false,
  "event_context": "aaaa"
}