{
   "epochs": [ {
      "calculation_time": "13370567168780816",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13377159242535195",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "108173EF5612E1440EA01FE96855A5EAF26684D612DDA857FAC41C54D2F967EB",
   "next_scheduled_calculation_time": "13377764042535248"
}
