{
   "epochs": [ {
      "calculation_time": "13366331952134685",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366998091283162",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "A99601952884238D6C8CE4BA9CEBB017011EBF18CE76627645A22B2A8DF6E1E5",
   "next_scheduled_calculation_time": "13367602891283378"
}
