{
   "epochs": [ {
      "calculation_time": "13366791739157926",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367465530845449",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "E6E43A8339C6F6AC0124D66737A4ADC9417F70AE9A0CF40E45D0548212CB72C7",
   "next_scheduled_calculation_time": "13368070330845663"
}
