{
   "epochs": [ {
      "calculation_time": "13366718475514887",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367383555218326",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "FE803FF7D2D53C7F6579776B8E8C38789819173DD7DDAD1F7D69E75FA9AD3F83",
   "next_scheduled_calculation_time": "13367988355218487"
}
