{
   "epochs": [ {
      "calculation_time": "13366361952692207",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367027368023826",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "2DB0AE9B9F227D0701E3EA56FA0952B798627ADA3571395F27C9E2FD60AED0DC",
   "next_scheduled_calculation_time": "13367632168024252"
}
