{
   "epochs": [ {
      "calculation_time": "13366617944320034",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367277964222585",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "E54F5775CE135DFD48AFFE20D6C741F1EDC95818D6386915B9A6AB936EF4532F",
   "next_scheduled_calculation_time": "13367882764222845"
}
