{
   "epochs": [ {
      "calculation_time": "13370911248645219",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13378951418548269",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "5F83C44F176C163A3AB55960675FD0A57A283A1B917DFDC82B5D52675119172A",
   "next_scheduled_calculation_time": "13379556218548321"
}
