{
   "epochs": [ {
      "calculation_time": "13366372612785908",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367037789145592",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "D2370F45645E1E62F6D58EA1AE2D10947A5D8A351D4D965439C0EB8D4E0676D9",
   "next_scheduled_calculation_time": "13367642589145794"
}
