{
   "epochs": [ {
      "calculation_time": "13366746261721821",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367417937473294",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "5053BDC02B341FE9BA742FD7301766C04E514EE20A39BD0D68DCA51A5AF4923A",
   "next_scheduled_calculation_time": "13368022737473387"
}
