{
   "epochs": [ {
      "calculation_time": "13370585932891004",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13377267431842327",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "14D986E7ED7C8EF3B325C3373C510D6C0957F219B935CFCF91FBE96786A6A8DD",
   "next_scheduled_calculation_time": "13377872231842380"
}
