{
   "epochs": [ {
      "calculation_time": "13370500196210968",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13376900859615505",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "B67ADD4FFA24EF8F5D0F6A9FBE34669432B4904F4180892DCCF9ED8464BAD06C",
   "next_scheduled_calculation_time": "13377505659617433"
}
