{
   "epochs": [ {
      "calculation_time": "13366522302759307",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367184662877271",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "C64EE74F4C315F4789E3BFB92DE833A517F8CAC76DBB36C8110A28272141C874",
   "next_scheduled_calculation_time": "13367789462877517"
}
