{
   "epochs": [ {
      "calculation_time": "13370487832032438",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13376872854396909",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "1F17A5087BE237842953955946F0AD3847D00471009D46295A29DB095981EC4D",
   "next_scheduled_calculation_time": "13377477654396966"
}
