{
   "epochs": [ {
      "calculation_time": "13370750363393709",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13377855072416504",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "ACD83735EC60ECC27A914FA20BBE2ED43924CF59772A476CB1A0FE3D29E2B582",
   "next_scheduled_calculation_time": "13378459872416562"
}
