{
   "epochs": [ {
      "calculation_time": "13370138281715480",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13375181831294581",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "3C1A5D6692AB14A261E9F54459A2B6366B811A450168480A1B184841544DFD3B",
   "next_scheduled_calculation_time": "13375786631294843"
}
