{
   "epochs": [ {
      "calculation_time": "13366316538880335",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366981950663134",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "353F9C173B5B53C681F72FC4ACB9E32D608520194ACABC60AD132D9E5D2B5A96",
   "next_scheduled_calculation_time": "13367586750663974"
}
