{
   "epochs": [ {
      "calculation_time": "13366440573433353",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367104447135777",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "ADAAE6E5678693AF59CD9F630BDFF23460291C8C658E7C089B4975FDDECD0DC1",
   "next_scheduled_calculation_time": "13367709247136981"
}
