{
   "epochs": [ {
      "calculation_time": "13366354173625385",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367019772633845",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "8E56CDE72EC24035E064BF2DCB1617E5D3640849B6FCA6570C4CBC31C8C8EA83",
   "next_scheduled_calculation_time": "13367624572634576"
}
