{
   "epochs": [ {
      "calculation_time": "13366409053334112",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367073832250638",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "2EDFA184AF1272F29FCF2C49F7E48A4FEB94815C9B28AE82BC29585593E0F343",
   "next_scheduled_calculation_time": "13367678632250827"
}
