{
   "epochs": [ {
      "calculation_time": "13366299662414330",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366964220402064",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "CB8A4ECE2058FFB3B2E749B42DE283FBC66DA074E44E49CDFD91127AE3841DC6",
   "next_scheduled_calculation_time": "13367569020402649"
}
