{
   "epochs": [ {
      "calculation_time": "13366240149781902",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366905292392624",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "957E486C396E35989BA3369BD11017DFBDB7A04E814FFDBAED4BB80A187FE93E",
   "next_scheduled_calculation_time": "13367510092392816"
}
