{
   "epochs": [ {
      "calculation_time": "13370752877112442",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13377868132006941",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "D1552BCD4162938098256434A48CD060F3273E10BC9C8E5999AB1E251AD8AF1F",
   "next_scheduled_calculation_time": "13378472932007014"
}
