{
   "epochs": [ {
      "calculation_time": "13366276741906485",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366940570713715",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "49521721FB1B3E5453CF02F3482836BF4D41BC4287FE2F974C1519BD7F2E3096",
   "next_scheduled_calculation_time": "13367545370713880"
}
