{
   "epochs": [ {
      "calculation_time": "13366757249249739",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367429285897036",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "A122796D13422BFAFE66026F9C7ACD914A5D362EF0ACC73A8DF3B1E4206F0EBB",
   "next_scheduled_calculation_time": "13368034085897988"
}
