{
   "epochs": [ {
      "calculation_time": "13371230919339700",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13379852275582199",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "952E40C4E5FC3F79CA980092C90A66DF3A339FF1FB01451F4837FA3E0218AA5A",
   "next_scheduled_calculation_time": "13380457075582277"
}
