{
   "epochs": [ {
      "calculation_time": "13370446359109433",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13376794548135729",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "E017A6E87B74BE4F4E81D3D5F4B155D99D51915EE9D3C58AEBC7639CF6196F38",
   "next_scheduled_calculation_time": "13377399348135793"
}
