{
   "epochs": [ {
      "calculation_time": "13366415006889652",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367079685708486",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "A28903DD9AE8DCFE2701EB2A69B8F45A67202594DB9F9F6A2F12DC1CAB160EB1",
   "next_scheduled_calculation_time": "13367684485710031"
}
