{
   "epochs": [ {
      "calculation_time": "13366733991032598",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367405163826856",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "A8E31D6EFF8D0B77482732560F2009C333B1DA2B5CB2C459E73F3FF1EB57BB51",
   "next_scheduled_calculation_time": "13368009963826986"
}
