{
   "epochs": [ {
      "calculation_time": "13366302031948105",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366966627608387",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "CE01DA656FE8583429D7775DC1B5FACDBF3A2B7C54BA9D6250F3EA7F1D7D27F9",
   "next_scheduled_calculation_time": "13367571427608530"
}
