{
   "epochs": [ {
      "calculation_time": "13366316662020323",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366981960285162",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "6EADEBF4DEF9C72BC981EB97C3BF18BDF61D6D0BEC6065AFE3AFAE3255E7EF87",
   "next_scheduled_calculation_time": "13367586760286048"
}
