{
   "epochs": [ {
      "calculation_time": "13370521928562680",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13376944172810806",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "211651C2604A3AFE84AF106E9BEB6D2DDA8DF85244AA551CB458974A970C1B0E",
   "next_scheduled_calculation_time": "13377548972810972"
}
