{
   "epochs": [ {
      "calculation_time": "13366290140548743",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366954300006126",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "446E5AC12F402E3F4EBDF2853448B2CD88C95E5301757C69D6A0A9DE9557286B",
   "next_scheduled_calculation_time": "13367559100006359"
}
