{
   "epochs": [ {
      "calculation_time": "13366763616237820",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367435840986745",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "1BA11FA01A66CFB6061DACBC85A9535AA2AD3F2BE16D0BDA9ADC92E58481A148",
   "next_scheduled_calculation_time": "13368040640986899"
}
