{
   "epochs": [ {
      "calculation_time": "13370517956816386",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13374921780165589",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "50EF373DA66E094604ADCF7D60C6B5EF52E68D62B83EB06DF2516703E168CE7B",
   "next_scheduled_calculation_time": "13375526580166180"
}
