{
   "epochs": [ {
      "calculation_time": "13366339724994480",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367005627583880",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "977E38A106B393174AA1450A196A2CCB40D83B380A4E19C8F04171FFF7291B29",
   "next_scheduled_calculation_time": "13367610427584112"
}
