{
   "epochs": [ {
      "calculation_time": "13370691325649845",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13377103513333060",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "EA09193ADAFAAB48A1DE116678B6D54D55B588FAC45720141AC389A9B7245F26",
   "next_scheduled_calculation_time": "13377708313333328"
}
