{
   "epochs": [ {
      "calculation_time": "13366356150552849",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367021685342218",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "0CB519FBFC92CCE604F61783890313859548C430BC2059BB4860146BA2557099",
   "next_scheduled_calculation_time": "13367626485342536"
}
