{
   "epochs": [ {
      "calculation_time": "13366811181487610",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367485473501049",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "1B8951C0C644DAEEC84866DB57EF2C3AC635106305253B2C60C857B3EE68A9D0",
   "next_scheduled_calculation_time": "13368090273501267"
}
