{
   "epochs": [ {
      "calculation_time": "13366747744350448",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367419628994323",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "90C758109796C38FFF394F852EFD3447AC4C75B56DC586033F84B0BF84E325F3",
   "next_scheduled_calculation_time": "13368024428994520"
}
