{
   "epochs": [ {
      "calculation_time": "13366780323317729",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367453501236550",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "3174FE5A11D6EED50CBCAB2E7659BE0652D2072EEB5E4BC77D7A8057CCEB3BD8",
   "next_scheduled_calculation_time": "13368058301236811"
}
