{
   "epochs": [ {
      "calculation_time": "13366243917676241",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366908927619129",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "C196E72B1FA253E1B8109D287B64521C21E0794D079F31CA23E11B60581FE58C",
   "next_scheduled_calculation_time": "13367513727619230"
}
