{
   "epochs": [ {
      "calculation_time": "13366736172087801",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367407314598329",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "6D6ECCA26D26F0753058C5BA9BA6B6B0495DEEFCA17A554CC38D942793C3128F",
   "next_scheduled_calculation_time": "13368012114598833"
}
