{
   "epochs": [ {
      "calculation_time": "13370523417152913",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13377605942943308",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "715A4A2E1663A4665D9CD4C75C8271AF7A714B480EEC6F4BC96D55E9F0D08D21",
   "next_scheduled_calculation_time": "13378210742943369"
}
