{
   "epochs": [ {
      "calculation_time": "13366732877936402",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367403935258594",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "F2F500D399A2222B35DEC60949022ECCA9079EDB6DECBA91F979D10FA13EC0F5",
   "next_scheduled_calculation_time": "13368008735259057"
}
