{
   "epochs": [ {
      "calculation_time": "13366380054825022",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367045206807418",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "9B39B6FCA3DF6536CBF107B6D84230FE34D123BC21EFDF3AAC67239C731C6974",
   "next_scheduled_calculation_time": "13367650006807768"
}
