{
   "epochs": [ {
      "calculation_time": "13370520802443906",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13379159876647108",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "93BAFE2D74CE0561A897D38CE4AC928BA24BA24104DA243A4A2CD21C686EFE84",
   "next_scheduled_calculation_time": "13379764676647359"
}
