{
   "epochs": [ {
      "calculation_time": "13366605271161147",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367264953932347",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "18C68B0216B31989965A01AF3B9B25D87762E719145204EDC88E4C8D8FB88887",
   "next_scheduled_calculation_time": "13367869753932460"
}
