{
   "epochs": [ {
      "calculation_time": "13366310028612989",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366974997159270",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "666DD40C0D7E648EE2F77C268D527E106B77558C97862F3FF0B98AD0676A31A6",
   "next_scheduled_calculation_time": "13367579797159540"
}
