{
   "epochs": [ {
      "calculation_time": "13366325620729712",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366991404621974",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "B087CD24D7859EFB601A3739C8212DEF623DD487BE24A2EFEC681CDE03BDDE37",
   "next_scheduled_calculation_time": "13367596204626840"
}
