{
   "epochs": [ {
      "calculation_time": "13370521283458926",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13376942901584727",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "6CCD82D172C26C32F5AC0A79A3BC9E397449465D7F2385CCB11C6BEBFF4A49B6",
   "next_scheduled_calculation_time": "13377547701584782"
}
