{
   "epochs": [ {
      "calculation_time": "13366387849020573",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367053167739172",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "D23832D75B4C0646FB69220FFD85EB4E4A9C327F46958B10C9D84692C62F9B7B",
   "next_scheduled_calculation_time": "13367657967739404"
}
