{
   "epochs": [ {
      "calculation_time": "13366218384483481",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366883339654589",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "F598D3DF02E844818C36ACF3CD15F17FD2F2CA9BBC9777A27F216C2EEDB797C0",
   "next_scheduled_calculation_time": "13367488139655469"
}
