{
   "epochs": [ {
      "calculation_time": "13366273290341818",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366937189655972",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "EBBEA052EE49912350A886489A125ABD562227F4C0606D5CA31FFBAA25417D28",
   "next_scheduled_calculation_time": "13367541989656353"
}
