{
   "epochs": [ {
      "calculation_time": "13366712015567018",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367376640625275",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "F5D688D9FD97F29712BD069BBFECAA0E88D20AC1C113273731A00033CB14651D",
   "next_scheduled_calculation_time": "13367981440625572"
}
