{
   "epochs": [ {
      "calculation_time": "13366774496255175",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367447061036046",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "2BC0BA16C59782AFC61B9442CC024649C568E2661810DABA87C8C2B48BAEFB8A",
   "next_scheduled_calculation_time": "13368051861036336"
}
