{
   "epochs": [ {
      "calculation_time": "13366729200102805",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367399242755886",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "EC52C822F5FB755E844B1E1598FAFE6A674A78A9D2D7AC59938014FD9787504E",
   "next_scheduled_calculation_time": "13368004042756162"
}
