{
   "epochs": [ {
      "calculation_time": "13366408484413544",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367073258119766",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "33DB1F2567657E1C79539D8032A3FB35C1C8E0E8B3B74C9BC91CBF182CDEF3F2",
   "next_scheduled_calculation_time": "13367678058120261"
}
