{
   "epochs": [ {
      "calculation_time": "13366345064731352",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367010877255136",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "5EFF6269C371901BF01D662AAF8A2B0AC69F101D2A09661831FBE8105A065689",
   "next_scheduled_calculation_time": "13367615677255239"
}
