{
   "epochs": [ {
      "calculation_time": "13366626859186305",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367287157317557",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "DE36049BB658D5E61CEDFF990CDB93491446ADEDA76B9F01FA5F252921BD6CE9",
   "next_scheduled_calculation_time": "13367891957318041"
}
