{
   "epochs": [ {
      "calculation_time": "13366409895911647",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367074764441216",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "47EF30550CC9DB72B6934ABD07FEDBCC1255FB8244B545965ED48F45A9D5BFEE",
   "next_scheduled_calculation_time": "13367679564441804"
}
