{
   "epochs": [ {
      "calculation_time": "13366475833847537",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367138965518907",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "578EE18BE666F2D53E72CE7D134A8865A976385F8097B8283AFEC47C6ED52AB5",
   "next_scheduled_calculation_time": "13367743765519610"
}
