{
   "epochs": [ {
      "calculation_time": "13366459692087882",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367123276298257",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "3BDF712C483C451EAD573C1FCB1388486A0A371BAC2A8D8836FCA38EAD2F0DE5",
   "next_scheduled_calculation_time": "13367728076298771"
}
