{
   "epochs": [ {
      "calculation_time": "13370170702273483",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13375213022525941",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "2C006EEC94A0C47B51C977078BB2210EF8E6328FC0A5F5327CE24F3E51231CE6",
   "next_scheduled_calculation_time": "13375817822526742"
}
