{
   "epochs": [ {
      "calculation_time": "13370890264998828",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13378912587166540",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "4C66586D319953621D0C5100463EF00E591784EA94C1842E5B668989FF8B7EDD",
   "next_scheduled_calculation_time": "13379517387166589"
}
