{
   "epochs": [ {
      "calculation_time": "13366381849488076",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367046992361178",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "D221BBB2B66D6701BB57CDC2AF4332153C6F06B6D913454FB97C75AA41E1D1D2",
   "next_scheduled_calculation_time": "13367651792361712"
}
