{
   "epochs": [ {
      "calculation_time": "13366646551135300",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367307472395294",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "48082B2DE1C708A584079699AEA0E730D4F191B6D0293F6D0CFD6FBFBE1C5309",
   "next_scheduled_calculation_time": "13367912272395553"
}
