{
   "epochs": [ {
      "calculation_time": "13366620844768418",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367281028507406",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "87F73892E09D9CBC2CBB3050939CE9E8F38D5EB921D5BA16ABB8A19612D86711",
   "next_scheduled_calculation_time": "13367885828508347"
}
