{
   "epochs": [ {
      "calculation_time": "13366450801896297",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367114554607060",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "3DD97BD3ADD38E22D6D047B07AB8798887322608C87E24A01CDF5729A624FFB1",
   "next_scheduled_calculation_time": "13367719354607314"
}
