{
   "epochs": [ {
      "calculation_time": "13366312906690169",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366978015109297",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "A18FC36FD7BD6139F958F7AB4DEF9E69A675546CAD664C813D7A138D0CA23DC5",
   "next_scheduled_calculation_time": "13367582815111135"
}
