{
   "epochs": [ {
      "calculation_time": "13366348984072487",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367014710337916",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "7C43A793D960312BEFB784A599C8B9FFC92D414E1729A39C47419B5145BA404F",
   "next_scheduled_calculation_time": "13367619510338170"
}
