{
   "epochs": [ {
      "calculation_time": "13366537853781540",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367199642372362",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "BBE249C9BA3942CBC746E4DC46D3C5FC78A4BF0F0BEA740CB94232A6CE609B50",
   "next_scheduled_calculation_time": "13367804442373227"
}
