{
   "epochs": [ {
      "calculation_time": "13366315789245910",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366981178267598",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "0BD552462819B381CF22B1D0EB2797C22BF9919076DA6C703BF5853E95B15BEB",
   "next_scheduled_calculation_time": "13367585978268019"
}
