{
   "epochs": [ {
      "calculation_time": "13366711696325342",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367376429488899",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "D44B29D7ED1FF7410653987C767123072E11F757AFF6C3EE5A8BD6E3F179E269",
   "next_scheduled_calculation_time": "13367981229489202"
}
