{
   "epochs": [ {
      "calculation_time": "13366311282422483",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366976470278130",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "1E1DE90A55FD1CF5A14351BF303D24A06387FE494DFFF2B4E11D41047D4EAB30",
   "next_scheduled_calculation_time": "13367581270278353"
}
