{
   "epochs": [ {
      "calculation_time": "13366699501221900",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367363895806509",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "67916829098C724A0EFFBC002445FB7CC4D39F439627F3FD978BE66923D3A7BB",
   "next_scheduled_calculation_time": "13367968695806677"
}
