{
   "epochs": [ {
      "calculation_time": "13370450356504794",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13376810719301421",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "CCB6AE227F8E53ABA29AC2157BFA2B3A6AB832C858AE83C70FF4099A5C1D332C",
   "next_scheduled_calculation_time": "13377415519301543"
}
