{
   "epochs": [ {
      "calculation_time": "13366474853772706",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367137988677136",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "4C6D1549CAACCD94F4C0CBE7BFE1768FEB3157D7716B11B5D1AF1D34685C3561",
   "next_scheduled_calculation_time": "13367742788677511"
}
