{
   "epochs": [ {
      "calculation_time": "13366422561450206",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367086883272068",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "664947D9BF354EF7DA50894B6E96FCA1021A14161427D6B83BAB0A95582F17DB",
   "next_scheduled_calculation_time": "13367691683272204"
}
