{
   "epochs": [ {
      "calculation_time": "13370247923628096",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13375321550663574",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "D0F83D357A530B824009CADD934FBC19CBE55F03A43DE13DCD8D7CDDDC732C52",
   "next_scheduled_calculation_time": "13375926350663995"
}
