{
   "epochs": [ {
      "calculation_time": "13366228777776956",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366893710330911",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "264F3F87940F80E9964D3254F656E5E0D49226B160778A76E0321D9CC366B1F9",
   "next_scheduled_calculation_time": "13367498510331065"
}
