{
   "epochs": [ {
      "calculation_time": "13366776154099885",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367448778803077",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "7F304D0BE3A79E251AB22036607BBC5FE4409D9EA92F6DBE9B734EA33E13DD98",
   "next_scheduled_calculation_time": "13368053578803534"
}
