{
   "epochs": [ {
      "calculation_time": "13366610377265961",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367270082584871",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "99C24FAAA17D3CE511CE8954211E9D6CCF414F4BF039B21DDADBA9D3EE283689",
   "next_scheduled_calculation_time": "13367874882585276"
}
