{
   "epochs": [ {
      "calculation_time": "13366785724100530",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367459356711750",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "E481A32F9CA9B624274F1F379E81737B027967D2B44E7B2F162130571CCB8B87",
   "next_scheduled_calculation_time": "13368064156712224"
}
