{
   "epochs": [ {
      "calculation_time": "13370592550956316",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13377167477890117",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "6A3059CC061C58220EFB9BFB21A3B8C817D858DAB3805291D04ECA8EA5338C1D",
   "next_scheduled_calculation_time": "13377772277890717"
}
