{
   "epochs": [ {
      "calculation_time": "13366793487018606",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367467190910729",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "4EA176C7D88C93F6891100921B29DC97DF31B3709AB822E489F56FC2F7AE0C99",
   "next_scheduled_calculation_time": "13368071990911556"
}
