{
   "epochs": [ {
      "calculation_time": "13366226785449697",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366891675567103",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "99FC1A8886ED72A2EC86B934F5D4AD2B6EEED525B29887F62BED798581BBEBAC",
   "next_scheduled_calculation_time": "13367496475567454"
}
