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help interpreting this log.
update: {"nested_updated_at"=>[Mon, 29 Jan 2024 19:11:09.972811000 UTC +00:00, Mon, 29 Jan 2024 19:11:10.401730000 UTC +00:00]}
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2024-01-29T19:11:10Z
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update: {"nested_updated_at"=>[Mon, 29 Jan 2024 19:11:09.907408000 UTC +00:00, Mon, 29 Jan 2024 19:11:09.972811000 UTC +00:00]}
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2024-01-29T19:11:09Z
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update: {"nested_updated_at"=>[Mon, 29 Jan 2024 19:11:09.843892000 UTC +00:00, Mon, 29 Jan 2024 19:11:09.907408000 UTC +00:00]}
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2024-01-29T19:11:09Z
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update: {"nested_updated_at"=>[Tue, 08 Sep 2020 15:05:56.614901000 UTC +00:00, Mon, 29 Jan 2024 19:11:09.843892000 UTC +00:00]}
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2024-01-29T19:11:09Z
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update: {"nested_updated_at"=>[nil, Tue, 08 Sep 2020 15:05:56.614901000 UTC +00:00]}
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2024-01-03T18:23:16Z
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update: {"version_comment"=>[nil, ""], "subject"=>[nil, "Physical Sciences"]}
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2018-02-09T16:05:14Z
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update: {"description"=>["These shows the topography and relief of the Precambrian surface of the Cratonic Platform of the United States. ", "These show the topography and relief of the Precambrian surface of the Cratonic Platform of the United States. "]}
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2016-11-28T21:59:12Z
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