{
   "epochs": [ {
      "calculation_time": "13366391040760205",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367056296134165",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "72A1EBFC66F1C93522CD30C92A99E0D5938AF69749889989BB5C9A0FB4840AB0",
   "next_scheduled_calculation_time": "13367661096134657"
}
