{
   "epochs": [ {
      "calculation_time": "13366473492596032",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367136684396224",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "8B0866A37CF193E1065E176B2F2C5E768A552B66407F093D81274CB1444E0431",
   "next_scheduled_calculation_time": "13367741484396660"
}
