{
   "epochs": [ {
      "calculation_time": "13366233000924608",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366897980311915",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "9799764F5A7372EA74FADEFB9BF60F4E79DFA58E8DC772407FA906F042FEF4B3",
   "next_scheduled_calculation_time": "13367502780312132"
}
