{
   "epochs": [ {
      "calculation_time": "13366481119599033",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367143922894470",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "28E1136A77CC359E0C3FCE1C511E27FFC2365735C39D1158CC8A6F1447C9C974",
   "next_scheduled_calculation_time": "13367748722894897"
}
