{
   "epochs": [ {
      "calculation_time": "13366628497304001",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367288738072055",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "25B2A83B9A06270F5BBA779780D46C6077054B37282E8CD0D621248C5296812A",
   "next_scheduled_calculation_time": "13367893538072394"
}
