{
   "epochs": [ {
      "calculation_time": "13366334544009350",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367000810526130",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "67F1898A19A201DD61B345C313E93460586CCCB4E149C0AC4CF8B2BA14EBD4E9",
   "next_scheduled_calculation_time": "13367605610526229"
}
