{
   "epochs": [ {
      "calculation_time": "13366667234262762",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367330399817986",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "9BE1DEFC21F448568F133E9B3232F62A99F11D535EC2E554C62719EEB7F272C0",
   "next_scheduled_calculation_time": "13367935199818235"
}
