{
   "epochs": [ {
      "calculation_time": "13366805970255327",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367480058465832",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "86211E823CCBE36CCADD9089E383DB15C65EA279C9AF540C71186198A2FB01F7",
   "next_scheduled_calculation_time": "13368084858467441"
}
