{
   "epochs": [ {
      "calculation_time": "13370523059429595",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13377345592480501",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "D57DAE981AC101AD8C85EBAEB004A4E043FF7757A6F31A01397A7A320369002C",
   "next_scheduled_calculation_time": "13377950392480580"
}
