{
   "epochs": [ {
      "calculation_time": "13366751733545201",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367423644505409",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "4D442A15B6E0A9CF44A5AA61D6EA55B9CC6E5DB76DB1F0E93226E7CABAB17556",
   "next_scheduled_calculation_time": "13368028444505681"
}
