{
   "epochs": [ {
      "calculation_time": "13366623237179526",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367283386621625",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "3B66CB9668AC0DDE9BE39FA45A2CA2E2A14E840A2FECF7E8C0FA2FC4E15CBF8A",
   "next_scheduled_calculation_time": "13367888186622442"
}
