{
   "epochs": [ {
      "calculation_time": "13366310123904074",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366975251049899",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "F12EB06185F3FA82EA2068F0FD457477F84CB9A9D3BD293E285A6C51739F1AF2",
   "next_scheduled_calculation_time": "13367580051050109"
}
