{
   "epochs": [ {
      "calculation_time": "13366602150296336",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367261899938062",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "8D43021099ECE1D5019070AA23DD020307BB78A05DA4AAAE622B178B09C48BF4",
   "next_scheduled_calculation_time": "13367866699938317"
}
