{
   "epochs": [ {
      "calculation_time": "13366657030424873",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367319927867715",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "29100008E643EA91798D3A96A28C00F6F1B840BCF53117FB863F5D8D088F9AE7",
   "next_scheduled_calculation_time": "13367924727869021"
}
