{
   "epochs": [ {
      "calculation_time": "13371104214663534",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13379469335820215",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "C07F4E7D15EFC31719E7CB36D79C55605FDBE2905AD7713999D08F876216D75E",
   "next_scheduled_calculation_time": "13380074135820285"
}
