{
   "epochs": [ {
      "calculation_time": "13366707672819405",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367372163788976",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "076784FC2BFFD323BAA431401215974692B33F0864E8EBE84F1F76D99F72FA60",
   "next_scheduled_calculation_time": "13367976963790087"
}
