{
   "epochs": [ {
      "calculation_time": "13366648393240622",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367309472289030",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "B3F8F335B2BF5BE0F38D08D4E1F5DBAD9FDD224CAFC6D5B7096A17BC2E50F509",
   "next_scheduled_calculation_time": "13367914272289219"
}
