{
   "epochs": [ {
      "calculation_time": "13366783822732021",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367457219342897",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "752AD31477D73206723B44D819C2299D1466764F0F093CA74AC8FBD6339D2F69",
   "next_scheduled_calculation_time": "13368062019343147"
}
