{
   "epochs": [ {
      "calculation_time": "13366707212166292",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367371693846359",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "4266F66CD96D06CEC08591EC7239B6810694FF7128461D0680519F40B7EE4785",
   "next_scheduled_calculation_time": "13367976493846469"
}
