{
   "epochs": [ {
      "calculation_time": "13370515690538462",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13378240768816456",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "45E33D95729510FF6444D37254B900D2CB19DC3AAF03085D3AEB4607C9DE8470",
   "next_scheduled_calculation_time": "13378845568816537"
}
