{
   "epochs": [ {
      "calculation_time": "13370512963082832",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13377184387759026",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "FB7C483856F9608CEE438A465B8330EBC257239FD8B24E71EAF57D66A3D58513",
   "next_scheduled_calculation_time": "13377789187759101"
}
