{
   "epochs": [ {
      "calculation_time": "13366422854456179",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367087235671493",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "B0910BAF5336657994B6BB39FB429E663E494658A53FB541E17DD59F46E03420",
   "next_scheduled_calculation_time": "13367692035671909"
}
