{
   "epochs": [ {
      "calculation_time": "13366601324048465",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367261047621704",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "AA03F80AF4A944F3E46400292395308AF015BF9E654D598DA4F4399660B6FD8E",
   "next_scheduled_calculation_time": "13367865847623463"
}
