{
   "epochs": [ {
      "calculation_time": "13366379921736103",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367045150038173",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "3EB8D95099460045B898AAF7D122C00FF2A3BA0DFFE29B5AF88891C944469612",
   "next_scheduled_calculation_time": "13367649950038380"
}
