{
   "epochs": [ {
      "calculation_time": "13366486394309993",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367149454293007",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "D4823D274423D1DD6C90F3AF359CED80E9BC1C23286B847080FEA743CB1367B7",
   "next_scheduled_calculation_time": "13367754254293162"
}
