{
   "epochs": [ {
      "calculation_time": "13366793273990208",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367466957166726",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "384430518A7207CB59B262C6063DD02B298F065F537A8589D424CC9587EAC660",
   "next_scheduled_calculation_time": "13368071757169814"
}
