{
   "epochs": [ {
      "calculation_time": "13366315538713557",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366980608629455",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "385F1475D5364B74EA83C0A9A6C39BDFC1016A01281A4F6CD5DC943EA6D1B15F",
   "next_scheduled_calculation_time": "13367585408629789"
}
