{
   "epochs": [ {
      "calculation_time": "13366709063871676",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367373611318184",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "543A19B7FBB9742D731B25CE7F57BEECC10077F87CAC4B0589ADFAE66821D60E",
   "next_scheduled_calculation_time": "13367978411318888"
}
