{
   "epochs": [ {
      "calculation_time": "13366429182535916",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367092859967778",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "E1D01B65ADCE0F214D9EB8F47247712F844FFC6FE7388A2457F565F3205BECFE",
   "next_scheduled_calculation_time": "13367697659968101"
}
