{
   "epochs": [ {
      "calculation_time": "13366691210731457",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367355151786221",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "F4C5871977AD315ABD064C07F0258D5324F9934A768A95E8514171B1254C4B32",
   "next_scheduled_calculation_time": "13367959951786533"
}
