{
   "epochs": [ {
      "calculation_time": "13370543393145965",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13377096639920669",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "127994B637FA7F67119DA55FB85D82AE411D1EC1657C8064F487C629D0CD5AA5",
   "next_scheduled_calculation_time": "13377701439920724"
}
