{
   "epochs": [ {
      "calculation_time": "13370529979678976",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13377196491687060",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "95EB6282DB8E139D995DE8F3F6AF14998B093052292004920540095259D3FD6D",
   "next_scheduled_calculation_time": "13377801291687228"
}
