{
   "epochs": [ {
      "calculation_time": "13371089296772258",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13379397146906518",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "25654843A96169B5311EDAE4976F0D8BF58B6D2752EFCE464C7936FE3A8633B1",
   "next_scheduled_calculation_time": "13380001946906581"
}
