{
   "epochs": [ {
      "calculation_time": "13366666889610861",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367330210604179",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "086E659A48FC9292EF5FF8267FF72BF53FFC6D44223F6E03A4F4225E40BCEA5C",
   "next_scheduled_calculation_time": "13367935010604364"
}
