{
   "epochs": [ {
      "calculation_time": "13366626523302927",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367286670650761",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "087CA7A44585271F207EEF123C986F6F4E1824A48ACFAFA4FED95A54FB66E6C9",
   "next_scheduled_calculation_time": "13367891470650914"
}
