{
   "epochs": [ {
      "calculation_time": "13366484264096432",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367147032473247",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "02D9BF8769E5B153CAB3515D5723100DBA60C3C7FFBEAF175B9CE0D654F26A2D",
   "next_scheduled_calculation_time": "13367751832473506"
}
