{
   "epochs": [ {
      "calculation_time": "13366529777182777",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367192042564501",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "04D5466C555758CCA0D929861151BC2CE498421FCEA18E37C345DE079B08459E",
   "next_scheduled_calculation_time": "13367796842564711"
}
