{
   "epochs": [ {
      "calculation_time": "13366680499900156",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367344189547033",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "0F0F78F243BCE1F601904CB0B525BBE7CD988531BFADFB0B58E181782F626FDB",
   "next_scheduled_calculation_time": "13367948989547261"
}
