{
   "epochs": [ {
      "calculation_time": "13366360695874657",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367026123949511",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "EC075F173206737AEB4986A69B053131AB82C997E28DC70A4B4790D037967B66",
   "next_scheduled_calculation_time": "13367630923949672"
}
