{
   "epochs": [ {
      "calculation_time": "13370447298366218",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13376799681961671",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "8FEF8C1EA95E9BC415F54B5CFFEFBC5E501ECA6F7127148548C86F9FFEFA0727",
   "next_scheduled_calculation_time": "13377404481961773"
}
