{
   "epochs": [ {
      "calculation_time": "13366282822907031",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366946920130708",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "55F8B3702BB1589529F0C3C8F1E192F420A9DD3CE43BA982C15E401B8D833CC6",
   "next_scheduled_calculation_time": "13367551720130956"
}
