{
   "epochs": [ {
      "calculation_time": "13366395667922486",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367060894638585",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "C2B84176FE524FCC95A8447C2019E5EF3BD864E61AE78C6CBECAE12B65A5D045",
   "next_scheduled_calculation_time": "13367665694638699"
}
