{
   "epochs": [ {
      "calculation_time": "13366234918757615",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366900079191743",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "86167DA01349F4B367D349211E282397293BF4C31FBD8ADC49EEDADE788DADB6",
   "next_scheduled_calculation_time": "13367504879191871"
}
