{
   "epochs": [ {
      "calculation_time": "13366335299760680",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367001542512635",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "2CCD67BB416736BC5C05034E3000BDF1CD3BD4AC0F7BB5BCEC99C54C398126FB",
   "next_scheduled_calculation_time": "13367606342513347"
}
