{
   "epochs": [ {
      "calculation_time": "13366477066015650",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367140139427252",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "BE697FB677B6C4E8A9ED0725279DF588650C198EB3B8B7909836BB308415799C",
   "next_scheduled_calculation_time": "13367744939429193"
}
