{
   "epochs": [ {
      "calculation_time": "13366307219313044",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366971978018412",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "6AC37E72768DE99A5C222C0236CF293163EA28628BBFC5AF47BAA783BD4BB520",
   "next_scheduled_calculation_time": "13367576778018557"
}
