{
   "epochs": [ {
      "calculation_time": "13366738048652829",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367409465433343",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "B462E6D9F15A278F9860A30D5DFC791DA0FE1552E880876DF3E990C67454E782",
   "next_scheduled_calculation_time": "13368014265457109"
}
