{
   "epochs": [ {
      "calculation_time": "13366459419867605",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367123021989657",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "6BA67B8417F9180B65E2361EE357F8F5F085B7561CC00E31E82550F0EF3FC1A2",
   "next_scheduled_calculation_time": "13367727821989834"
}
