{
   "epochs": [ {
      "calculation_time": "13366737735433052",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367409177694317",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "B7611341FA09CB1BC792861262BE040B01AA7338BF54E9CDB3EE105754776E94",
   "next_scheduled_calculation_time": "13368013977694681"
}
